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Finding the Fourth Proportional to 8,577.62, 12,866.73 and 2,955.25

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Solution

The fourth proportional to 8,577.62, 12,866.73 and 2,955.25 is: 4,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.62 : 12,866.73 = 2,955.25 : x
  2. Step 2: Convert to fraction form
    8,577.62/12,866.73 = 2,955.25/x
  3. Step 3: Cross multiply
    8,577.62x = 12,866.73 × 2,955.25
  4. Step 4: Simplify right side
    8,577.62x = 38,024,403.83
  5. Step 5: Solve for x
    x = 38,024,403.83/8,577.62
  6. Step 6: Final answer
    x = 4,432.98

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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.