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Finding the Fourth Proportional to 59,891.60, 89,740.20 and 37,665.20

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Solution

The fourth proportional to 59,891.60, 89,740.20 and 37,665.20 is: 56,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,891.60 : 89,740.20 = 37,665.20 : x
  2. Step 2: Convert to fraction form
    59,891.60/89,740.20 = 37,665.20/x
  3. Step 3: Cross multiply
    59,891.60x = 89,740.20 × 37,665.20
  4. Step 4: Simplify right side
    59,891.60x = 3,380,082,581.04
  5. Step 5: Solve for x
    x = 3,380,082,581.04/59,891.60
  6. Step 6: Final answer
    x = 56,436.67

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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.