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Finding the Fourth Proportional to 12,737.64, 17,559.40 and 8,949.48

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Solution

The fourth proportional to 12,737.64, 17,559.40 and 8,949.48 is: 12,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.64 : 17,559.40 = 8,949.48 : x
  2. Step 2: Convert to fraction form
    12,737.64/17,559.40 = 8,949.48/x
  3. Step 3: Cross multiply
    12,737.64x = 17,559.40 × 8,949.48
  4. Step 4: Simplify right side
    12,737.64x = 157,147,499.11
  5. Step 5: Solve for x
    x = 157,147,499.11/12,737.64
  6. Step 6: Final answer
    x = 12,337.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.