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Finding the Fourth Proportional to 12,010.10, 18,015.15 and 9,094.10

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Solution

The fourth proportional to 12,010.10, 18,015.15 and 9,094.10 is: 13,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.10 : 18,015.15 = 9,094.10 : x
  2. Step 2: Convert to fraction form
    12,010.10/18,015.15 = 9,094.10/x
  3. Step 3: Cross multiply
    12,010.10x = 18,015.15 × 9,094.10
  4. Step 4: Simplify right side
    12,010.10x = 163,831,575.62
  5. Step 5: Solve for x
    x = 163,831,575.62/12,010.10
  6. Step 6: Final answer
    x = 13,641.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.