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Finding the Fourth Proportional to 62,971.44, 86,752.78 and 43,818.28

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Solution

The fourth proportional to 62,971.44, 86,752.78 and 43,818.28 is: 60,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,971.44 : 86,752.78 = 43,818.28 : x
  2. Step 2: Convert to fraction form
    62,971.44/86,752.78 = 43,818.28/x
  3. Step 3: Cross multiply
    62,971.44x = 86,752.78 × 43,818.28
  4. Step 4: Simplify right side
    62,971.44x = 3,801,357,278.39
  5. Step 5: Solve for x
    x = 3,801,357,278.39/62,971.44
  6. Step 6: Final answer
    x = 60,366.37

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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.