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Finding the Fourth Proportional to 48,915, 67,502.70 and 26,559

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Solution

The fourth proportional to 48,915, 67,502.70 and 26,559 is: 36,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,915 : 67,502.70 = 26,559 : x
  2. Step 2: Convert to fraction form
    48,915/67,502.70 = 26,559/x
  3. Step 3: Cross multiply
    48,915x = 67,502.70 × 26,559
  4. Step 4: Simplify right side
    48,915x = 1,792,804,209.30
  5. Step 5: Solve for x
    x = 1,792,804,209.30/48,915
  6. Step 6: Final answer
    x = 36,651.42

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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.