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Finding the Fourth Proportional to 9,775.41, 14,663.13 and 2,379.81

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Solution

The fourth proportional to 9,775.41, 14,663.13 and 2,379.81 is: 3,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.41 : 14,663.13 = 2,379.81 : x
  2. Step 2: Convert to fraction form
    9,775.41/14,663.13 = 2,379.81/x
  3. Step 3: Cross multiply
    9,775.41x = 14,663.13 × 2,379.81
  4. Step 4: Simplify right side
    9,775.41x = 34,895,463.41
  5. Step 5: Solve for x
    x = 34,895,463.41/9,775.41
  6. Step 6: Final answer
    x = 3,569.72

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Double scale
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Similar ratio
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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.