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Finding the Fourth Proportional to 65,397.75, 98,097.56 and 18,650.63

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Solution

The fourth proportional to 65,397.75, 98,097.56 and 18,650.63 is: 27,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,397.75 : 98,097.56 = 18,650.63 : x
  2. Step 2: Convert to fraction form
    65,397.75/98,097.56 = 18,650.63/x
  3. Step 3: Cross multiply
    65,397.75x = 98,097.56 × 18,650.63
  4. Step 4: Simplify right side
    65,397.75x = 1,829,580,711.72
  5. Step 5: Solve for x
    x = 1,829,580,711.72/65,397.75
  6. Step 6: Final answer
    x = 27,976.20

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1.5x scale

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.