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Finding the Fourth Proportional to 18,074.68, 24,939.76 and 10,416.76

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Solution

The fourth proportional to 18,074.68, 24,939.76 and 10,416.76 is: 14,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.68 : 24,939.76 = 10,416.76 : x
  2. Step 2: Convert to fraction form
    18,074.68/24,939.76 = 10,416.76/x
  3. Step 3: Cross multiply
    18,074.68x = 24,939.76 × 10,416.76
  4. Step 4: Simplify right side
    18,074.68x = 259,791,494.38
  5. Step 5: Solve for x
    x = 259,791,494.38/18,074.68
  6. Step 6: Final answer
    x = 14,373.23

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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.