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Finding the Fourth Proportional to 48,921, 67,510.98 and 26,565

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Solution

The fourth proportional to 48,921, 67,510.98 and 26,565 is: 36,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921 : 67,510.98 = 26,565 : x
  2. Step 2: Convert to fraction form
    48,921/67,510.98 = 26,565/x
  3. Step 3: Cross multiply
    48,921x = 67,510.98 × 26,565
  4. Step 4: Simplify right side
    48,921x = 1,793,429,183.70
  5. Step 5: Solve for x
    x = 1,793,429,183.70/48,921
  6. Step 6: Final answer
    x = 36,659.70

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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.