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Finding the Fourth Proportional to 64,740.52, 89,335.83 and 47,754.01

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Solution

The fourth proportional to 64,740.52, 89,335.83 and 47,754.01 is: 65,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740.52 : 89,335.83 = 47,754.01 : x
  2. Step 2: Convert to fraction form
    64,740.52/89,335.83 = 47,754.01/x
  3. Step 3: Cross multiply
    64,740.52x = 89,335.83 × 47,754.01
  4. Step 4: Simplify right side
    64,740.52x = 4,266,144,119.18
  5. Step 5: Solve for x
    x = 4,266,144,119.18/64,740.52
  6. Step 6: Final answer
    x = 65,896.04

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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.