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Finding the Fourth Proportional to 8,726.22, 12,041.27 and 4,948.18

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Solution

The fourth proportional to 8,726.22, 12,041.27 and 4,948.18 is: 6,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.22 : 12,041.27 = 4,948.18 : x
  2. Step 2: Convert to fraction form
    8,726.22/12,041.27 = 4,948.18/x
  3. Step 3: Cross multiply
    8,726.22x = 12,041.27 × 4,948.18
  4. Step 4: Simplify right side
    8,726.22x = 59,582,371.39
  5. Step 5: Solve for x
    x = 59,582,371.39/8,726.22
  6. Step 6: Final answer
    x = 6,827.97

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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.