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Finding the Fourth Proportional to 18,545.96, 25,597.04 and 14,504.78

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Solution

The fourth proportional to 18,545.96, 25,597.04 and 14,504.78 is: 20,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.96 : 25,597.04 = 14,504.78 : x
  2. Step 2: Convert to fraction form
    18,545.96/25,597.04 = 14,504.78/x
  3. Step 3: Cross multiply
    18,545.96x = 25,597.04 × 14,504.78
  4. Step 4: Simplify right side
    18,545.96x = 371,279,233.34
  5. Step 5: Solve for x
    x = 371,279,233.34/18,545.96
  6. Step 6: Final answer
    x = 20,019.42

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Half scale
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Double scale
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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.