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Finding the Fourth Proportional to 60,663.78, 83,722.29 and 36,472.66

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Solution

The fourth proportional to 60,663.78, 83,722.29 and 36,472.66 is: 50,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,663.78 : 83,722.29 = 36,472.66 : x
  2. Step 2: Convert to fraction form
    60,663.78/83,722.29 = 36,472.66/x
  3. Step 3: Cross multiply
    60,663.78x = 83,722.29 × 36,472.66
  4. Step 4: Simplify right side
    60,663.78x = 3,053,574,271.51
  5. Step 5: Solve for x
    x = 3,053,574,271.51/60,663.78
  6. Step 6: Final answer
    x = 50,336.04

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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.