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Finding the Fourth Proportional to 59,798.66, 89,700.11 and 20,350.64

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Solution

The fourth proportional to 59,798.66, 89,700.11 and 20,350.64 is: 30,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,798.66 : 89,700.11 = 20,350.64 : x
  2. Step 2: Convert to fraction form
    59,798.66/89,700.11 = 20,350.64/x
  3. Step 3: Cross multiply
    59,798.66x = 89,700.11 × 20,350.64
  4. Step 4: Simplify right side
    59,798.66x = 1,825,454,845.38
  5. Step 5: Solve for x
    x = 1,825,454,845.38/59,798.66
  6. Step 6: Final answer
    x = 30,526.69

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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.