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Finding the Fourth Proportional to 65,070.90, 97,639.02 and 25,656.30

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Solution

The fourth proportional to 65,070.90, 97,639.02 and 25,656.30 is: 38,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.90 : 97,639.02 = 25,656.30 : x
  2. Step 2: Convert to fraction form
    65,070.90/97,639.02 = 25,656.30/x
  3. Step 3: Cross multiply
    65,070.90x = 97,639.02 × 25,656.30
  4. Step 4: Simplify right side
    65,070.90x = 2,505,055,988.83
  5. Step 5: Solve for x
    x = 2,505,055,988.83/65,070.90
  6. Step 6: Final answer
    x = 38,497.33

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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.