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Finding the Fourth Proportional to 2,718.88, 3,752.12 and 1,476.88

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Solution

The fourth proportional to 2,718.88, 3,752.12 and 1,476.88 is: 2,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.88 : 3,752.12 = 1,476.88 : x
  2. Step 2: Convert to fraction form
    2,718.88/3,752.12 = 1,476.88/x
  3. Step 3: Cross multiply
    2,718.88x = 3,752.12 × 1,476.88
  4. Step 4: Simplify right side
    2,718.88x = 5,541,430.99
  5. Step 5: Solve for x
    x = 5,541,430.99/2,718.88
  6. Step 6: Final answer
    x = 2,038.13

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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.