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Finding the Fourth Proportional to 29,374.80, 40,537.54 and 15,946.18

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Solution

The fourth proportional to 29,374.80, 40,537.54 and 15,946.18 is: 22,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.80 : 40,537.54 = 15,946.18 : x
  2. Step 2: Convert to fraction form
    29,374.80/40,537.54 = 15,946.18/x
  3. Step 3: Cross multiply
    29,374.80x = 40,537.54 × 15,946.18
  4. Step 4: Simplify right side
    29,374.80x = 646,418,909.60
  5. Step 5: Solve for x
    x = 646,418,909.60/29,374.80
  6. Step 6: Final answer
    x = 22,005.90

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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.