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Finding the Fourth Proportional to 48,836.50, 67,394.40 and 26,480.50

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Solution

The fourth proportional to 48,836.50, 67,394.40 and 26,480.50 is: 36,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,836.50 : 67,394.40 = 26,480.50 : x
  2. Step 2: Convert to fraction form
    48,836.50/67,394.40 = 26,480.50/x
  3. Step 3: Cross multiply
    48,836.50x = 67,394.40 × 26,480.50
  4. Step 4: Simplify right side
    48,836.50x = 1,784,637,409.20
  5. Step 5: Solve for x
    x = 1,784,637,409.20/48,836.50
  6. Step 6: Final answer
    x = 36,543.11

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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.