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Finding the Fourth Proportional to 29,393.71, 40,539.85 and 19,332.48

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Solution

The fourth proportional to 29,393.71, 40,539.85 and 19,332.48 is: 26,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.71 : 40,539.85 = 19,332.48 : x
  2. Step 2: Convert to fraction form
    29,393.71/40,539.85 = 19,332.48/x
  3. Step 3: Cross multiply
    29,393.71x = 40,539.85 × 19,332.48
  4. Step 4: Simplify right side
    29,393.71x = 783,735,839.33
  5. Step 5: Solve for x
    x = 783,735,839.33/29,393.71
  6. Step 6: Final answer
    x = 26,663.39

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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.