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Finding the Fourth Proportional to 8,574.59, 11,833.08 and 5,217.55

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Solution

The fourth proportional to 8,574.59, 11,833.08 and 5,217.55 is: 7,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.59 : 11,833.08 = 5,217.55 : x
  2. Step 2: Convert to fraction form
    8,574.59/11,833.08 = 5,217.55/x
  3. Step 3: Cross multiply
    8,574.59x = 11,833.08 × 5,217.55
  4. Step 4: Simplify right side
    8,574.59x = 61,739,637.41
  5. Step 5: Solve for x
    x = 61,739,637.41/8,574.59
  6. Step 6: Final answer
    x = 7,200.30

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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.