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Finding the Fourth Proportional to 45,866.28, 63,291.78 and 25,449

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Solution

The fourth proportional to 45,866.28, 63,291.78 and 25,449 is: 35,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.28 : 63,291.78 = 25,449 : x
  2. Step 2: Convert to fraction form
    45,866.28/63,291.78 = 25,449/x
  3. Step 3: Cross multiply
    45,866.28x = 63,291.78 × 25,449
  4. Step 4: Simplify right side
    45,866.28x = 1,610,712,509.22
  5. Step 5: Solve for x
    x = 1,610,712,509.22/45,866.28
  6. Step 6: Final answer
    x = 35,117.57

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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.