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Finding the Fourth Proportional to 45,776, 63,174.66 and 25,637.52

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Solution

The fourth proportional to 45,776, 63,174.66 and 25,637.52 is: 35,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,776 : 63,174.66 = 25,637.52 : x
  2. Step 2: Convert to fraction form
    45,776/63,174.66 = 25,637.52/x
  3. Step 3: Cross multiply
    45,776x = 63,174.66 × 25,637.52
  4. Step 4: Simplify right side
    45,776x = 1,619,641,609.24
  5. Step 5: Solve for x
    x = 1,619,641,609.24/45,776
  6. Step 6: Final answer
    x = 35,381.89

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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.