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Finding the Fourth Proportional to 8,567.54, 12,853.19 and 3,641.39

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Solution

The fourth proportional to 8,567.54, 12,853.19 and 3,641.39 is: 5,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.54 : 12,853.19 = 3,641.39 : x
  2. Step 2: Convert to fraction form
    8,567.54/12,853.19 = 3,641.39/x
  3. Step 3: Cross multiply
    8,567.54x = 12,853.19 × 3,641.39
  4. Step 4: Simplify right side
    8,567.54x = 46,803,395.06
  5. Step 5: Solve for x
    x = 46,803,395.06/8,567.54
  6. Step 6: Final answer
    x = 5,462.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.