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Finding the Fourth Proportional to 14,881.70, 22,307.55 and 5,515.70

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Solution

The fourth proportional to 14,881.70, 22,307.55 and 5,515.70 is: 8,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.70 : 22,307.55 = 5,515.70 : x
  2. Step 2: Convert to fraction form
    14,881.70/22,307.55 = 5,515.70/x
  3. Step 3: Cross multiply
    14,881.70x = 22,307.55 × 5,515.70
  4. Step 4: Simplify right side
    14,881.70x = 123,041,753.54
  5. Step 5: Solve for x
    x = 123,041,753.54/14,881.70
  6. Step 6: Final answer
    x = 8,267.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.