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Finding the Fourth Proportional to 65,862.52, 98,797.02 and 19,119.04

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Solution

The fourth proportional to 65,862.52, 98,797.02 and 19,119.04 is: 28,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862.52 : 98,797.02 = 19,119.04 : x
  2. Step 2: Convert to fraction form
    65,862.52/98,797.02 = 19,119.04/x
  3. Step 3: Cross multiply
    65,862.52x = 98,797.02 × 19,119.04
  4. Step 4: Simplify right side
    65,862.52x = 1,888,904,177.26
  5. Step 5: Solve for x
    x = 1,888,904,177.26/65,862.52
  6. Step 6: Final answer
    x = 28,679.50

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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.