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Finding the Fourth Proportional to 14,393.70, 21,592.71 and 4,531.95

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Solution

The fourth proportional to 14,393.70, 21,592.71 and 4,531.95 is: 6,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.70 : 21,592.71 = 4,531.95 : x
  2. Step 2: Convert to fraction form
    14,393.70/21,592.71 = 4,531.95/x
  3. Step 3: Cross multiply
    14,393.70x = 21,592.71 × 4,531.95
  4. Step 4: Simplify right side
    14,393.70x = 97,857,082.08
  5. Step 5: Solve for x
    x = 97,857,082.08/14,393.70
  6. Step 6: Final answer
    x = 6,798.61

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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.