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Finding the Fourth Proportional to 48,486.74, 66,829.47 and 36,997.70

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Solution

The fourth proportional to 48,486.74, 66,829.47 and 36,997.70 is: 50,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,486.74 : 66,829.47 = 36,997.70 : x
  2. Step 2: Convert to fraction form
    48,486.74/66,829.47 = 36,997.70/x
  3. Step 3: Cross multiply
    48,486.74x = 66,829.47 × 36,997.70
  4. Step 4: Simplify right side
    48,486.74x = 2,472,536,682.22
  5. Step 5: Solve for x
    x = 2,472,536,682.22/48,486.74
  6. Step 6: Final answer
    x = 50,994.08

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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.