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Finding the Fourth Proportional to 55,866.96, 77,110.92 and 36,997.20

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Solution

The fourth proportional to 55,866.96, 77,110.92 and 36,997.20 is: 51,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.96 : 77,110.92 = 36,997.20 : x
  2. Step 2: Convert to fraction form
    55,866.96/77,110.92 = 36,997.20/x
  3. Step 3: Cross multiply
    55,866.96x = 77,110.92 × 36,997.20
  4. Step 4: Simplify right side
    55,866.96x = 2,852,888,129.42
  5. Step 5: Solve for x
    x = 2,852,888,129.42/55,866.96
  6. Step 6: Final answer
    x = 51,065.75

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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.