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Finding the Fourth Proportional to 77,608.93, 107,015.56 and 52,414.69

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Solution

The fourth proportional to 77,608.93, 107,015.56 and 52,414.69 is: 72,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,608.93 : 107,015.56 = 52,414.69 : x
  2. Step 2: Convert to fraction form
    77,608.93/107,015.56 = 52,414.69/x
  3. Step 3: Cross multiply
    77,608.93x = 107,015.56 × 52,414.69
  4. Step 4: Simplify right side
    77,608.93x = 5,609,187,402.58
  5. Step 5: Solve for x
    x = 5,609,187,402.58/77,608.93
  6. Step 6: Final answer
    x = 72,275.03

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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.