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Finding the Fourth Proportional to 14,397.72, 19,870.04 and 8,110.52

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Solution

The fourth proportional to 14,397.72, 19,870.04 and 8,110.52 is: 11,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.72 : 19,870.04 = 8,110.52 : x
  2. Step 2: Convert to fraction form
    14,397.72/19,870.04 = 8,110.52/x
  3. Step 3: Cross multiply
    14,397.72x = 19,870.04 × 8,110.52
  4. Step 4: Simplify right side
    14,397.72x = 161,156,356.82
  5. Step 5: Solve for x
    x = 161,156,356.82/14,397.72
  6. Step 6: Final answer
    x = 11,193.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.