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Finding the Fourth Proportional to 2,718.99, 3,752.91 and 1,671.93

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Solution

The fourth proportional to 2,718.99, 3,752.91 and 1,671.93 is: 2,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.99 : 3,752.91 = 1,671.93 : x
  2. Step 2: Convert to fraction form
    2,718.99/3,752.91 = 1,671.93/x
  3. Step 3: Cross multiply
    2,718.99x = 3,752.91 × 1,671.93
  4. Step 4: Simplify right side
    2,718.99x = 6,274,602.82
  5. Step 5: Solve for x
    x = 6,274,602.82/2,718.99
  6. Step 6: Final answer
    x = 2,307.70

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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.