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Finding the Fourth Proportional to 10,632.67, 14,672.84 and 5,916.85

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Solution

The fourth proportional to 10,632.67, 14,672.84 and 5,916.85 is: 8,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.67 : 14,672.84 = 5,916.85 : x
  2. Step 2: Convert to fraction form
    10,632.67/14,672.84 = 5,916.85/x
  3. Step 3: Cross multiply
    10,632.67x = 14,672.84 × 5,916.85
  4. Step 4: Simplify right side
    10,632.67x = 86,816,963.77
  5. Step 5: Solve for x
    x = 86,816,963.77/10,632.67
  6. Step 6: Final answer
    x = 8,165.11

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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.