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Finding the Fourth Proportional to 49,264.88, 67,985.80 and 26,908.88

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Solution

The fourth proportional to 49,264.88, 67,985.80 and 26,908.88 is: 37,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,264.88 : 67,985.80 = 26,908.88 : x
  2. Step 2: Convert to fraction form
    49,264.88/67,985.80 = 26,908.88/x
  3. Step 3: Cross multiply
    49,264.88x = 67,985.80 × 26,908.88
  4. Step 4: Simplify right side
    49,264.88x = 1,829,421,326.70
  5. Step 5: Solve for x
    x = 1,829,421,326.70/49,264.88
  6. Step 6: Final answer
    x = 37,134.39

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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.