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Finding the Fourth Proportional to 10,480.44, 15,726.06 and 4,641.15

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Solution

The fourth proportional to 10,480.44, 15,726.06 and 4,641.15 is: 6,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.44 : 15,726.06 = 4,641.15 : x
  2. Step 2: Convert to fraction form
    10,480.44/15,726.06 = 4,641.15/x
  3. Step 3: Cross multiply
    10,480.44x = 15,726.06 × 4,641.15
  4. Step 4: Simplify right side
    10,480.44x = 72,987,003.37
  5. Step 5: Solve for x
    x = 72,987,003.37/10,480.44
  6. Step 6: Final answer
    x = 6,964.12

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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.