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Finding the Fourth Proportional to 62,598.96, 86,336.28 and 55,029.11

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Solution

The fourth proportional to 62,598.96, 86,336.28 and 55,029.11 is: 75,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,598.96 : 86,336.28 = 55,029.11 : x
  2. Step 2: Convert to fraction form
    62,598.96/86,336.28 = 55,029.11/x
  3. Step 3: Cross multiply
    62,598.96x = 86,336.28 × 55,029.11
  4. Step 4: Simplify right side
    62,598.96x = 4,751,008,217.43
  5. Step 5: Solve for x
    x = 4,751,008,217.43/62,598.96
  6. Step 6: Final answer
    x = 75,895.96

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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.