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Finding the Fourth Proportional to 9,818.92, 14,726.92 and 3,245.18

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Solution

The fourth proportional to 9,818.92, 14,726.92 and 3,245.18 is: 4,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.92 : 14,726.92 = 3,245.18 : x
  2. Step 2: Convert to fraction form
    9,818.92/14,726.92 = 3,245.18/x
  3. Step 3: Cross multiply
    9,818.92x = 14,726.92 × 3,245.18
  4. Step 4: Simplify right side
    9,818.92x = 47,791,506.25
  5. Step 5: Solve for x
    x = 47,791,506.25/9,818.92
  6. Step 6: Final answer
    x = 4,867.29

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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.