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Finding the Fourth Proportional to 59,352.60, 89,028.90 and 47,688.60

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Solution

The fourth proportional to 59,352.60, 89,028.90 and 47,688.60 is: 71,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,352.60 : 89,028.90 = 47,688.60 : x
  2. Step 2: Convert to fraction form
    59,352.60/89,028.90 = 47,688.60/x
  3. Step 3: Cross multiply
    59,352.60x = 89,028.90 × 47,688.60
  4. Step 4: Simplify right side
    59,352.60x = 4,245,663,600.54
  5. Step 5: Solve for x
    x = 4,245,663,600.54/59,352.60
  6. Step 6: Final answer
    x = 71,532.90

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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.