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Finding the Fourth Proportional to 65,570.92, 98,333.66 and 25,580.52

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Solution

The fourth proportional to 65,570.92, 98,333.66 and 25,580.52 is: 38,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570.92 : 98,333.66 = 25,580.52 : x
  2. Step 2: Convert to fraction form
    65,570.92/98,333.66 = 25,580.52/x
  3. Step 3: Cross multiply
    65,570.92x = 98,333.66 × 25,580.52
  4. Step 4: Simplify right side
    65,570.92x = 2,515,426,156.30
  5. Step 5: Solve for x
    x = 2,515,426,156.30/65,570.92
  6. Step 6: Final answer
    x = 38,361.92

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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.