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Finding the Fourth Proportional to 60,715.65, 83,787.96 and 33,859.86

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Solution

The fourth proportional to 60,715.65, 83,787.96 and 33,859.86 is: 46,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,715.65 : 83,787.96 = 33,859.86 : x
  2. Step 2: Convert to fraction form
    60,715.65/83,787.96 = 33,859.86/x
  3. Step 3: Cross multiply
    60,715.65x = 83,787.96 × 33,859.86
  4. Step 4: Simplify right side
    60,715.65x = 2,837,048,595.29
  5. Step 5: Solve for x
    x = 2,837,048,595.29/60,715.65
  6. Step 6: Final answer
    x = 46,726.81

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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.