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Finding the Fourth Proportional to 48,846, 67,407.52 and 26,490

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Solution

The fourth proportional to 48,846, 67,407.52 and 26,490 is: 36,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846 : 67,407.52 = 26,490 : x
  2. Step 2: Convert to fraction form
    48,846/67,407.52 = 26,490/x
  3. Step 3: Cross multiply
    48,846x = 67,407.52 × 26,490
  4. Step 4: Simplify right side
    48,846x = 1,785,625,204.80
  5. Step 5: Solve for x
    x = 1,785,625,204.80/48,846
  6. Step 6: Final answer
    x = 36,556.22

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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.