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Finding the Fourth Proportional to 60,531.90, 83,502.63 and 35,366.82

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Solution

The fourth proportional to 60,531.90, 83,502.63 and 35,366.82 is: 48,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,531.90 : 83,502.63 = 35,366.82 : x
  2. Step 2: Convert to fraction form
    60,531.90/83,502.63 = 35,366.82/x
  3. Step 3: Cross multiply
    60,531.90x = 83,502.63 × 35,366.82
  4. Step 4: Simplify right side
    60,531.90x = 2,953,222,484.74
  5. Step 5: Solve for x
    x = 2,953,222,484.74/60,531.90
  6. Step 6: Final answer
    x = 48,787.87

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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.