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Finding the Fourth Proportional to 59,676.92, 89,515.38 and 28,417.40

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Solution

The fourth proportional to 59,676.92, 89,515.38 and 28,417.40 is: 42,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,676.92 : 89,515.38 = 28,417.40 : x
  2. Step 2: Convert to fraction form
    59,676.92/89,515.38 = 28,417.40/x
  3. Step 3: Cross multiply
    59,676.92x = 89,515.38 × 28,417.40
  4. Step 4: Simplify right side
    59,676.92x = 2,543,794,359.61
  5. Step 5: Solve for x
    x = 2,543,794,359.61/59,676.92
  6. Step 6: Final answer
    x = 42,626.10

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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.