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Finding the Fourth Proportional to 9,304.80, 12,835.22 and 6,118.66

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Solution

The fourth proportional to 9,304.80, 12,835.22 and 6,118.66 is: 8,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.80 : 12,835.22 = 6,118.66 : x
  2. Step 2: Convert to fraction form
    9,304.80/12,835.22 = 6,118.66/x
  3. Step 3: Cross multiply
    9,304.80x = 12,835.22 × 6,118.66
  4. Step 4: Simplify right side
    9,304.80x = 78,534,347.21
  5. Step 5: Solve for x
    x = 78,534,347.21/9,304.80
  6. Step 6: Final answer
    x = 8,440.20

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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.