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Finding the Fourth Proportional to 59,775.05, 89,641.62 and 17,643.89

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Solution

The fourth proportional to 59,775.05, 89,641.62 and 17,643.89 is: 26,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,775.05 : 89,641.62 = 17,643.89 : x
  2. Step 2: Convert to fraction form
    59,775.05/89,641.62 = 17,643.89/x
  3. Step 3: Cross multiply
    59,775.05x = 89,641.62 × 17,643.89
  4. Step 4: Simplify right side
    59,775.05x = 1,581,626,882.70
  5. Step 5: Solve for x
    x = 1,581,626,882.70/59,775.05
  6. Step 6: Final answer
    x = 26,459.65

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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.