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Finding the Fourth Proportional to 15,380.82, 23,053.01 and 7,053.89

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Solution

The fourth proportional to 15,380.82, 23,053.01 and 7,053.89 is: 10,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.82 : 23,053.01 = 7,053.89 : x
  2. Step 2: Convert to fraction form
    15,380.82/23,053.01 = 7,053.89/x
  3. Step 3: Cross multiply
    15,380.82x = 23,053.01 × 7,053.89
  4. Step 4: Simplify right side
    15,380.82x = 162,613,246.17
  5. Step 5: Solve for x
    x = 162,613,246.17/15,380.82
  6. Step 6: Final answer
    x = 10,572.47

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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.