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Finding the Fourth Proportional to 59,344.30, 89,065.05 and 57,400.30

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Solution

The fourth proportional to 59,344.30, 89,065.05 and 57,400.30 is: 86,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,344.30 : 89,065.05 = 57,400.30 : x
  2. Step 2: Convert to fraction form
    59,344.30/89,065.05 = 57,400.30/x
  3. Step 3: Cross multiply
    59,344.30x = 89,065.05 × 57,400.30
  4. Step 4: Simplify right side
    59,344.30x = 5,112,360,589.52
  5. Step 5: Solve for x
    x = 5,112,360,589.52/59,344.30
  6. Step 6: Final answer
    x = 86,147.46

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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.