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Finding the Fourth Proportional to 65,573.96, 98,307.57 and 20,572.18

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Solution

The fourth proportional to 65,573.96, 98,307.57 and 20,572.18 is: 30,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,573.96 : 98,307.57 = 20,572.18 : x
  2. Step 2: Convert to fraction form
    65,573.96/98,307.57 = 20,572.18/x
  3. Step 3: Cross multiply
    65,573.96x = 98,307.57 × 20,572.18
  4. Step 4: Simplify right side
    65,573.96x = 2,022,400,856.78
  5. Step 5: Solve for x
    x = 2,022,400,856.78/65,573.96
  6. Step 6: Final answer
    x = 30,841.53

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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.