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Finding the Fourth Proportional to 53,293.68, 79,976.88 and 34,526.88

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Solution

The fourth proportional to 53,293.68, 79,976.88 and 34,526.88 is: 51,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.68 : 79,976.88 = 34,526.88 : x
  2. Step 2: Convert to fraction form
    53,293.68/79,976.88 = 34,526.88/x
  3. Step 3: Cross multiply
    53,293.68x = 79,976.88 × 34,526.88
  4. Step 4: Simplify right side
    53,293.68x = 2,761,352,138.53
  5. Step 5: Solve for x
    x = 2,761,352,138.53/53,293.68
  6. Step 6: Final answer
    x = 51,813.88

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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.