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Finding the Fourth Proportional to 65,744.70, 98,617.05 and 58,746.30

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Solution

The fourth proportional to 65,744.70, 98,617.05 and 58,746.30 is: 88,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.70 : 98,617.05 = 58,746.30 : x
  2. Step 2: Convert to fraction form
    65,744.70/98,617.05 = 58,746.30/x
  3. Step 3: Cross multiply
    65,744.70x = 98,617.05 × 58,746.30
  4. Step 4: Simplify right side
    65,744.70x = 5,793,386,804.42
  5. Step 5: Solve for x
    x = 5,793,386,804.42/65,744.70
  6. Step 6: Final answer
    x = 88,119.45

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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.