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Finding the Fourth Proportional to 10,463.66, 14,439.95 and 5,747.94

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Solution

The fourth proportional to 10,463.66, 14,439.95 and 5,747.94 is: 7,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.66 : 14,439.95 = 5,747.94 : x
  2. Step 2: Convert to fraction form
    10,463.66/14,439.95 = 5,747.94/x
  3. Step 3: Cross multiply
    10,463.66x = 14,439.95 × 5,747.94
  4. Step 4: Simplify right side
    10,463.66x = 82,999,980.57
  5. Step 5: Solve for x
    x = 82,999,980.57/10,463.66
  6. Step 6: Final answer
    x = 7,932.21

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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.