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Finding the Fourth Proportional to 62,471.76, 86,263.56 and 44,621.52

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Solution

The fourth proportional to 62,471.76, 86,263.56 and 44,621.52 is: 61,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.76 : 86,263.56 = 44,621.52 : x
  2. Step 2: Convert to fraction form
    62,471.76/86,263.56 = 44,621.52/x
  3. Step 3: Cross multiply
    62,471.76x = 86,263.56 × 44,621.52
  4. Step 4: Simplify right side
    62,471.76x = 3,849,211,167.81
  5. Step 5: Solve for x
    x = 3,849,211,167.81/62,471.76
  6. Step 6: Final answer
    x = 61,615.22

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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.