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Finding the Fourth Proportional to 4,874.41, 6,726.23 and 2,985.13

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Solution

The fourth proportional to 4,874.41, 6,726.23 and 2,985.13 is: 4,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.41 : 6,726.23 = 2,985.13 : x
  2. Step 2: Convert to fraction form
    4,874.41/6,726.23 = 2,985.13/x
  3. Step 3: Cross multiply
    4,874.41x = 6,726.23 × 2,985.13
  4. Step 4: Simplify right side
    4,874.41x = 20,078,637.33
  5. Step 5: Solve for x
    x = 20,078,637.33/4,874.41
  6. Step 6: Final answer
    x = 4,119.20

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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.