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Finding the Fourth Proportional to 48,786.88, 67,330.88 and 35,186.16

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Solution

The fourth proportional to 48,786.88, 67,330.88 and 35,186.16 is: 48,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.88 : 67,330.88 = 35,186.16 : x
  2. Step 2: Convert to fraction form
    48,786.88/67,330.88 = 35,186.16/x
  3. Step 3: Cross multiply
    48,786.88x = 67,330.88 × 35,186.16
  4. Step 4: Simplify right side
    48,786.88x = 2,369,115,116.62
  5. Step 5: Solve for x
    x = 2,369,115,116.62/48,786.88
  6. Step 6: Final answer
    x = 48,560.50

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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.