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Finding the Fourth Proportional to 35,308.71, 48,734.15 and 22,711.59

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Solution

The fourth proportional to 35,308.71, 48,734.15 and 22,711.59 is: 31,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.71 : 48,734.15 = 22,711.59 : x
  2. Step 2: Convert to fraction form
    35,308.71/48,734.15 = 22,711.59/x
  3. Step 3: Cross multiply
    35,308.71x = 48,734.15 × 22,711.59
  4. Step 4: Simplify right side
    35,308.71x = 1,106,829,920.24
  5. Step 5: Solve for x
    x = 1,106,829,920.24/35,308.71
  6. Step 6: Final answer
    x = 31,347.22

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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.