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Finding the Fourth Proportional to 55,889, 77,087.78 and 37,952.86

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Solution

The fourth proportional to 55,889, 77,087.78 and 37,952.86 is: 52,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889 : 77,087.78 = 37,952.86 : x
  2. Step 2: Convert to fraction form
    55,889/77,087.78 = 37,952.86/x
  3. Step 3: Cross multiply
    55,889x = 77,087.78 × 37,952.86
  4. Step 4: Simplify right side
    55,889x = 2,925,701,722.05
  5. Step 5: Solve for x
    x = 2,925,701,722.05/55,889
  6. Step 6: Final answer
    x = 52,348.44

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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.