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Finding the Fourth Proportional to 48,691, 67,193.59 and 26,335

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Solution

The fourth proportional to 48,691, 67,193.59 and 26,335 is: 36,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691 : 67,193.59 = 26,335 : x
  2. Step 2: Convert to fraction form
    48,691/67,193.59 = 26,335/x
  3. Step 3: Cross multiply
    48,691x = 67,193.59 × 26,335
  4. Step 4: Simplify right side
    48,691x = 1,769,543,192.65
  5. Step 5: Solve for x
    x = 1,769,543,192.65/48,691
  6. Step 6: Final answer
    x = 36,342.31

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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.