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Finding the Fourth Proportional to 65,661.80, 98,334.87 and 37,496.58

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Solution

The fourth proportional to 65,661.80, 98,334.87 and 37,496.58 is: 56,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661.80 : 98,334.87 = 37,496.58 : x
  2. Step 2: Convert to fraction form
    65,661.80/98,334.87 = 37,496.58/x
  3. Step 3: Cross multiply
    65,661.80x = 98,334.87 × 37,496.58
  4. Step 4: Simplify right side
    65,661.80x = 3,687,221,319.74
  5. Step 5: Solve for x
    x = 3,687,221,319.74/65,661.80
  6. Step 6: Final answer
    x = 56,154.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.