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Finding the Fourth Proportional to 48,697.40, 72,995.70 and 26,463.80

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Solution

The fourth proportional to 48,697.40, 72,995.70 and 26,463.80 is: 39,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,697.40 : 72,995.70 = 26,463.80 : x
  2. Step 2: Convert to fraction form
    48,697.40/72,995.70 = 26,463.80/x
  3. Step 3: Cross multiply
    48,697.40x = 72,995.70 × 26,463.80
  4. Step 4: Simplify right side
    48,697.40x = 1,931,743,605.66
  5. Step 5: Solve for x
    x = 1,931,743,605.66/48,697.40
  6. Step 6: Final answer
    x = 39,668.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.