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Finding the Fourth Proportional to 48,663.90, 67,156.20 and 26,307.90

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Solution

The fourth proportional to 48,663.90, 67,156.20 and 26,307.90 is: 36,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,663.90 : 67,156.20 = 26,307.90 : x
  2. Step 2: Convert to fraction form
    48,663.90/67,156.20 = 26,307.90/x
  3. Step 3: Cross multiply
    48,663.90x = 67,156.20 × 26,307.90
  4. Step 4: Simplify right side
    48,663.90x = 1,766,738,593.98
  5. Step 5: Solve for x
    x = 1,766,738,593.98/48,663.90
  6. Step 6: Final answer
    x = 36,304.91

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1.5x scale

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.