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Finding the Fourth Proportional to 8,964.88, 13,444.58 and 4,282.42

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Solution

The fourth proportional to 8,964.88, 13,444.58 and 4,282.42 is: 6,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.88 : 13,444.58 = 4,282.42 : x
  2. Step 2: Convert to fraction form
    8,964.88/13,444.58 = 4,282.42/x
  3. Step 3: Cross multiply
    8,964.88x = 13,444.58 × 4,282.42
  4. Step 4: Simplify right side
    8,964.88x = 57,575,340.59
  5. Step 5: Solve for x
    x = 57,575,340.59/8,964.88
  6. Step 6: Final answer
    x = 6,422.32

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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.