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Finding the Fourth Proportional to 47,374.17, 65,354.04 and 28,243.08

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Solution

The fourth proportional to 47,374.17, 65,354.04 and 28,243.08 is: 38,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,374.17 : 65,354.04 = 28,243.08 : x
  2. Step 2: Convert to fraction form
    47,374.17/65,354.04 = 28,243.08/x
  3. Step 3: Cross multiply
    47,374.17x = 65,354.04 × 28,243.08
  4. Step 4: Simplify right side
    47,374.17x = 1,845,799,380.04
  5. Step 5: Solve for x
    x = 1,845,799,380.04/47,374.17
  6. Step 6: Final answer
    x = 38,962.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.