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Finding the Fourth Proportional to 29,374.77, 40,536.02 and 15,945.57

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Solution

The fourth proportional to 29,374.77, 40,536.02 and 15,945.57 is: 22,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.77 : 40,536.02 = 15,945.57 : x
  2. Step 2: Convert to fraction form
    29,374.77/40,536.02 = 15,945.57/x
  3. Step 3: Cross multiply
    29,374.77x = 40,536.02 × 15,945.57
  4. Step 4: Simplify right side
    29,374.77x = 646,369,864.70
  5. Step 5: Solve for x
    x = 646,369,864.70/29,374.77
  6. Step 6: Final answer
    x = 22,004.25

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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.