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Finding the Fourth Proportional to 59,459.71, 89,187.23 and 19,481.69

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Solution

The fourth proportional to 59,459.71, 89,187.23 and 19,481.69 is: 29,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,459.71 : 89,187.23 = 19,481.69 : x
  2. Step 2: Convert to fraction form
    59,459.71/89,187.23 = 19,481.69/x
  3. Step 3: Cross multiply
    59,459.71x = 89,187.23 × 19,481.69
  4. Step 4: Simplify right side
    59,459.71x = 1,737,517,878.07
  5. Step 5: Solve for x
    x = 1,737,517,878.07/59,459.71
  6. Step 6: Final answer
    x = 29,221.77

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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.