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Finding the Fourth Proportional to 60,966.32, 84,130.09 and 33,740.90

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Solution

The fourth proportional to 60,966.32, 84,130.09 and 33,740.90 is: 46,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,966.32 : 84,130.09 = 33,740.90 : x
  2. Step 2: Convert to fraction form
    60,966.32/84,130.09 = 33,740.90/x
  3. Step 3: Cross multiply
    60,966.32x = 84,130.09 × 33,740.90
  4. Step 4: Simplify right side
    60,966.32x = 2,838,625,079.65
  5. Step 5: Solve for x
    x = 2,838,625,079.65/60,966.32
  6. Step 6: Final answer
    x = 46,560.54

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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.