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Finding the Fourth Proportional to 48,086.84, 72,144.84 and 28,323.66

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Solution

The fourth proportional to 48,086.84, 72,144.84 and 28,323.66 is: 42,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,086.84 : 72,144.84 = 28,323.66 : x
  2. Step 2: Convert to fraction form
    48,086.84/72,144.84 = 28,323.66/x
  3. Step 3: Cross multiply
    48,086.84x = 72,144.84 × 28,323.66
  4. Step 4: Simplify right side
    48,086.84x = 2,043,405,918.91
  5. Step 5: Solve for x
    x = 2,043,405,918.91/48,086.84
  6. Step 6: Final answer
    x = 42,494.08

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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.