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Finding the Fourth Proportional to 65,772.81, 98,534.88 and 32,453.87

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Solution

The fourth proportional to 65,772.81, 98,534.88 and 32,453.87 is: 48,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,772.81 : 98,534.88 = 32,453.87 : x
  2. Step 2: Convert to fraction form
    65,772.81/98,534.88 = 32,453.87/x
  3. Step 3: Cross multiply
    65,772.81x = 98,534.88 × 32,453.87
  4. Step 4: Simplify right side
    65,772.81x = 3,197,837,693.31
  5. Step 5: Solve for x
    x = 3,197,837,693.31/65,772.81
  6. Step 6: Final answer
    x = 48,619.45

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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.