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Finding the Fourth Proportional to 4,726.72, 6,519.18 and 4,104.64

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Solution

The fourth proportional to 4,726.72, 6,519.18 and 4,104.64 is: 5,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.72 : 6,519.18 = 4,104.64 : x
  2. Step 2: Convert to fraction form
    4,726.72/6,519.18 = 4,104.64/x
  3. Step 3: Cross multiply
    4,726.72x = 6,519.18 × 4,104.64
  4. Step 4: Simplify right side
    4,726.72x = 26,758,887.00
  5. Step 5: Solve for x
    x = 26,758,887.00/4,726.72
  6. Step 6: Final answer
    x = 5,661.20

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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.