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Finding the Fourth Proportional to 48,997.76, 73,496.98 and 12,061.76

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Solution

The fourth proportional to 48,997.76, 73,496.98 and 12,061.76 is: 18,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,997.76 : 73,496.98 = 12,061.76 : x
  2. Step 2: Convert to fraction form
    48,997.76/73,496.98 = 12,061.76/x
  3. Step 3: Cross multiply
    48,997.76x = 73,496.98 × 12,061.76
  4. Step 4: Simplify right side
    48,997.76x = 886,502,933.48
  5. Step 5: Solve for x
    x = 886,502,933.48/48,997.76
  6. Step 6: Final answer
    x = 18,092.72

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1.5x scale

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.