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Finding the Fourth Proportional to 65,411.40, 98,117.10 and 23,874.60

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Solution

The fourth proportional to 65,411.40, 98,117.10 and 23,874.60 is: 35,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.40 : 98,117.10 = 23,874.60 : x
  2. Step 2: Convert to fraction form
    65,411.40/98,117.10 = 23,874.60/x
  3. Step 3: Cross multiply
    65,411.40x = 98,117.10 × 23,874.60
  4. Step 4: Simplify right side
    65,411.40x = 2,342,506,515.66
  5. Step 5: Solve for x
    x = 2,342,506,515.66/65,411.40
  6. Step 6: Final answer
    x = 35,811.90

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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.