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Finding the Fourth Proportional to 77,587.44, 107,070.78 and 44,053.44

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Solution

The fourth proportional to 77,587.44, 107,070.78 and 44,053.44 is: 60,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,587.44 : 107,070.78 = 44,053.44 : x
  2. Step 2: Convert to fraction form
    77,587.44/107,070.78 = 44,053.44/x
  3. Step 3: Cross multiply
    77,587.44x = 107,070.78 × 44,053.44
  4. Step 4: Simplify right side
    77,587.44x = 4,716,836,182.48
  5. Step 5: Solve for x
    x = 4,716,836,182.48/77,587.44
  6. Step 6: Final answer
    x = 60,793.81

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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.