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Finding the Fourth Proportional to 59,513.58, 89,269.96 and 15,139.76

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Solution

The fourth proportional to 59,513.58, 89,269.96 and 15,139.76 is: 22,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,513.58 : 89,269.96 = 15,139.76 : x
  2. Step 2: Convert to fraction form
    59,513.58/89,269.96 = 15,139.76/x
  3. Step 3: Cross multiply
    59,513.58x = 89,269.96 × 15,139.76
  4. Step 4: Simplify right side
    59,513.58x = 1,351,525,769.61
  5. Step 5: Solve for x
    x = 1,351,525,769.61/59,513.58
  6. Step 6: Final answer
    x = 22,709.54

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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.