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Finding the Fourth Proportional to 8,596.31, 11,868.26 and 6,602.90

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Solution

The fourth proportional to 8,596.31, 11,868.26 and 6,602.90 is: 9,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.31 : 11,868.26 = 6,602.90 : x
  2. Step 2: Convert to fraction form
    8,596.31/11,868.26 = 6,602.90/x
  3. Step 3: Cross multiply
    8,596.31x = 11,868.26 × 6,602.90
  4. Step 4: Simplify right side
    8,596.31x = 78,364,841.60
  5. Step 5: Solve for x
    x = 78,364,841.60/8,596.31
  6. Step 6: Final answer
    x = 9,116.11

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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.