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Finding the Fourth Proportional to 10,602.10, 15,903.15 and 6,228.10

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Solution

The fourth proportional to 10,602.10, 15,903.15 and 6,228.10 is: 9,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.10 : 15,903.15 = 6,228.10 : x
  2. Step 2: Convert to fraction form
    10,602.10/15,903.15 = 6,228.10/x
  3. Step 3: Cross multiply
    10,602.10x = 15,903.15 × 6,228.10
  4. Step 4: Simplify right side
    10,602.10x = 99,046,408.52
  5. Step 5: Solve for x
    x = 99,046,408.52/10,602.10
  6. Step 6: Final answer
    x = 9,342.15

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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.