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Finding the Fourth Proportional to 65,334, 98,005.52 and 25,891.12

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Solution

The fourth proportional to 65,334, 98,005.52 and 25,891.12 is: 38,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,334 : 98,005.52 = 25,891.12 : x
  2. Step 2: Convert to fraction form
    65,334/98,005.52 = 25,891.12/x
  3. Step 3: Cross multiply
    65,334x = 98,005.52 × 25,891.12
  4. Step 4: Simplify right side
    65,334x = 2,537,472,678.98
  5. Step 5: Solve for x
    x = 2,537,472,678.98/65,334
  6. Step 6: Final answer
    x = 38,838.47

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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.