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Finding the Fourth Proportional to 8,548.10, 12,822.15 and 4,848.90

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Solution

The fourth proportional to 8,548.10, 12,822.15 and 4,848.90 is: 7,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.10 : 12,822.15 = 4,848.90 : x
  2. Step 2: Convert to fraction form
    8,548.10/12,822.15 = 4,848.90/x
  3. Step 3: Cross multiply
    8,548.10x = 12,822.15 × 4,848.90
  4. Step 4: Simplify right side
    8,548.10x = 62,173,323.14
  5. Step 5: Solve for x
    x = 62,173,323.14/8,548.10
  6. Step 6: Final answer
    x = 7,273.35

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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.