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Finding the Fourth Proportional to 4,689.84, 6,472.44 and 2,700.48

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Solution

The fourth proportional to 4,689.84, 6,472.44 and 2,700.48 is: 3,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.84 : 6,472.44 = 2,700.48 : x
  2. Step 2: Convert to fraction form
    4,689.84/6,472.44 = 2,700.48/x
  3. Step 3: Cross multiply
    4,689.84x = 6,472.44 × 2,700.48
  4. Step 4: Simplify right side
    4,689.84x = 17,478,694.77
  5. Step 5: Solve for x
    x = 17,478,694.77/4,689.84
  6. Step 6: Final answer
    x = 3,726.93

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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.