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Finding the Fourth Proportional to 8,598.70, 11,788.92 and 8,443.18

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Solution

The fourth proportional to 8,598.70, 11,788.92 and 8,443.18 is: 11,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.70 : 11,788.92 = 8,443.18 : x
  2. Step 2: Convert to fraction form
    8,598.70/11,788.92 = 8,443.18/x
  3. Step 3: Cross multiply
    8,598.70x = 11,788.92 × 8,443.18
  4. Step 4: Simplify right side
    8,598.70x = 99,535,973.57
  5. Step 5: Solve for x
    x = 99,535,973.57/8,598.70
  6. Step 6: Final answer
    x = 11,575.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.