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Finding the Fourth Proportional to 8,442.33, 12,663.56 and 2,598.99

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Solution

The fourth proportional to 8,442.33, 12,663.56 and 2,598.99 is: 3,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.33 : 12,663.56 = 2,598.99 : x
  2. Step 2: Convert to fraction form
    8,442.33/12,663.56 = 2,598.99/x
  3. Step 3: Cross multiply
    8,442.33x = 12,663.56 × 2,598.99
  4. Step 4: Simplify right side
    8,442.33x = 32,912,465.80
  5. Step 5: Solve for x
    x = 32,912,465.80/8,442.33
  6. Step 6: Final answer
    x = 3,898.51

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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.