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Finding the Fourth Proportional to 65,675.10, 98,512.65 and 60,606.30

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Solution

The fourth proportional to 65,675.10, 98,512.65 and 60,606.30 is: 90,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,675.10 : 98,512.65 = 60,606.30 : x
  2. Step 2: Convert to fraction form
    65,675.10/98,512.65 = 60,606.30/x
  3. Step 3: Cross multiply
    65,675.10x = 98,512.65 × 60,606.30
  4. Step 4: Simplify right side
    65,675.10x = 5,970,487,219.70
  5. Step 5: Solve for x
    x = 5,970,487,219.70/65,675.10
  6. Step 6: Final answer
    x = 90,909.45

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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.