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Finding the Fourth Proportional to 63,228.69, 87,217.02 and 40,560.03

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Solution

The fourth proportional to 63,228.69, 87,217.02 and 40,560.03 is: 55,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,228.69 : 87,217.02 = 40,560.03 : x
  2. Step 2: Convert to fraction form
    63,228.69/87,217.02 = 40,560.03/x
  3. Step 3: Cross multiply
    63,228.69x = 87,217.02 × 40,560.03
  4. Step 4: Simplify right side
    63,228.69x = 3,537,524,947.71
  5. Step 5: Solve for x
    x = 3,537,524,947.71/63,228.69
  6. Step 6: Final answer
    x = 55,948.10

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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.