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Finding the Fourth Proportional to 6,551.30, 9,040.80 and 3,566.95

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Solution

The fourth proportional to 6,551.30, 9,040.80 and 3,566.95 is: 4,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.30 : 9,040.80 = 3,566.95 : x
  2. Step 2: Convert to fraction form
    6,551.30/9,040.80 = 3,566.95/x
  3. Step 3: Cross multiply
    6,551.30x = 9,040.80 × 3,566.95
  4. Step 4: Simplify right side
    6,551.30x = 32,248,103.12
  5. Step 5: Solve for x
    x = 32,248,103.12/6,551.30
  6. Step 6: Final answer
    x = 4,922.40

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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.