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Finding the Fourth Proportional to 61,045.70, 91,568.55 and 59,952.20

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Solution

The fourth proportional to 61,045.70, 91,568.55 and 59,952.20 is: 89,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,045.70 : 91,568.55 = 59,952.20 : x
  2. Step 2: Convert to fraction form
    61,045.70/91,568.55 = 59,952.20/x
  3. Step 3: Cross multiply
    61,045.70x = 91,568.55 × 59,952.20
  4. Step 4: Simplify right side
    61,045.70x = 5,489,736,023.31
  5. Step 5: Solve for x
    x = 5,489,736,023.31/61,045.70
  6. Step 6: Final answer
    x = 89,928.30

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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.