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Finding the Fourth Proportional to 17,588.40, 26,447.40 and 14,737.20

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Solution

The fourth proportional to 17,588.40, 26,447.40 and 14,737.20 is: 22,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,588.40 : 26,447.40 = 14,737.20 : x
  2. Step 2: Convert to fraction form
    17,588.40/26,447.40 = 14,737.20/x
  3. Step 3: Cross multiply
    17,588.40x = 26,447.40 × 14,737.20
  4. Step 4: Simplify right side
    17,588.40x = 389,760,623.28
  5. Step 5: Solve for x
    x = 389,760,623.28/17,588.40
  6. Step 6: Final answer
    x = 22,160.10

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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.