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Finding the Fourth Proportional to 8,482.79, 11,702.22 and 5,651.48

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Solution

The fourth proportional to 8,482.79, 11,702.22 and 5,651.48 is: 7,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.79 : 11,702.22 = 5,651.48 : x
  2. Step 2: Convert to fraction form
    8,482.79/11,702.22 = 5,651.48/x
  3. Step 3: Cross multiply
    8,482.79x = 11,702.22 × 5,651.48
  4. Step 4: Simplify right side
    8,482.79x = 66,134,862.29
  5. Step 5: Solve for x
    x = 66,134,862.29/8,482.79
  6. Step 6: Final answer
    x = 7,796.36

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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.