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Finding the Fourth Proportional to 4,689.52, 6,472.11 and 2,700.06

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Solution

The fourth proportional to 4,689.52, 6,472.11 and 2,700.06 is: 3,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.52 : 6,472.11 = 2,700.06 : x
  2. Step 2: Convert to fraction form
    4,689.52/6,472.11 = 2,700.06/x
  3. Step 3: Cross multiply
    4,689.52x = 6,472.11 × 2,700.06
  4. Step 4: Simplify right side
    4,689.52x = 17,475,085.33
  5. Step 5: Solve for x
    x = 17,475,085.33/4,689.52
  6. Step 6: Final answer
    x = 3,726.41

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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.