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Finding the Fourth Proportional to 14,046.61, 19,381.47 and 8,944.18

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Solution

The fourth proportional to 14,046.61, 19,381.47 and 8,944.18 is: 12,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.61 : 19,381.47 = 8,944.18 : x
  2. Step 2: Convert to fraction form
    14,046.61/19,381.47 = 8,944.18/x
  3. Step 3: Cross multiply
    14,046.61x = 19,381.47 × 8,944.18
  4. Step 4: Simplify right side
    14,046.61x = 173,351,311.62
  5. Step 5: Solve for x
    x = 173,351,311.62/14,046.61
  6. Step 6: Final answer
    x = 12,341.15

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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.