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Finding the Fourth Proportional to 62,484.99, 86,228.93 and 57,401.57

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Solution

The fourth proportional to 62,484.99, 86,228.93 and 57,401.57 is: 79,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,484.99 : 86,228.93 = 57,401.57 : x
  2. Step 2: Convert to fraction form
    62,484.99/86,228.93 = 57,401.57/x
  3. Step 3: Cross multiply
    62,484.99x = 86,228.93 × 57,401.57
  4. Step 4: Simplify right side
    62,484.99x = 4,949,675,243.27
  5. Step 5: Solve for x
    x = 4,949,675,243.27/62,484.99
  6. Step 6: Final answer
    x = 79,213.83

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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.