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Finding the Fourth Proportional to 29,374.60, 40,537.00 and 15,945.86

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Solution

The fourth proportional to 29,374.60, 40,537.00 and 15,945.86 is: 22,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.60 : 40,537.00 = 15,945.86 : x
  2. Step 2: Convert to fraction form
    29,374.60/40,537.00 = 15,945.86/x
  3. Step 3: Cross multiply
    29,374.60x = 40,537.00 × 15,945.86
  4. Step 4: Simplify right side
    29,374.60x = 646,397,247.09
  5. Step 5: Solve for x
    x = 646,397,247.09/29,374.60
  6. Step 6: Final answer
    x = 22,005.32

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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.