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Finding the Fourth Proportional to 70,862.71, 97,801.65 and 41,794.28

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Solution

The fourth proportional to 70,862.71, 97,801.65 and 41,794.28 is: 57,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862.71 : 97,801.65 = 41,794.28 : x
  2. Step 2: Convert to fraction form
    70,862.71/97,801.65 = 41,794.28/x
  3. Step 3: Cross multiply
    70,862.71x = 97,801.65 × 41,794.28
  4. Step 4: Simplify right side
    70,862.71x = 4,087,549,544.56
  5. Step 5: Solve for x
    x = 4,087,549,544.56/70,862.71
  6. Step 6: Final answer
    x = 57,682.66

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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.