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Finding the Fourth Proportional to 13,737.54, 20,623.13 and 9,061.46

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Solution

The fourth proportional to 13,737.54, 20,623.13 and 9,061.46 is: 13,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.54 : 20,623.13 = 9,061.46 : x
  2. Step 2: Convert to fraction form
    13,737.54/20,623.13 = 9,061.46/x
  3. Step 3: Cross multiply
    13,737.54x = 20,623.13 × 9,061.46
  4. Step 4: Simplify right side
    13,737.54x = 186,875,519.15
  5. Step 5: Solve for x
    x = 186,875,519.15/13,737.54
  6. Step 6: Final answer
    x = 13,603.27

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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.