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Finding the Fourth Proportional to 65,073.84, 97,643.52 and 25,659.20

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Solution

The fourth proportional to 65,073.84, 97,643.52 and 25,659.20 is: 38,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,073.84 : 97,643.52 = 25,659.20 : x
  2. Step 2: Convert to fraction form
    65,073.84/97,643.52 = 25,659.20/x
  3. Step 3: Cross multiply
    65,073.84x = 97,643.52 × 25,659.20
  4. Step 4: Simplify right side
    65,073.84x = 2,505,454,608.38
  5. Step 5: Solve for x
    x = 2,505,454,608.38/65,073.84
  6. Step 6: Final answer
    x = 38,501.72

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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.