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Finding the Fourth Proportional to 2,095.68, 3,154.80 and 1,884

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Solution

The fourth proportional to 2,095.68, 3,154.80 and 1,884 is: 2,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.68 : 3,154.80 = 1,884 : x
  2. Step 2: Convert to fraction form
    2,095.68/3,154.80 = 1,884/x
  3. Step 3: Cross multiply
    2,095.68x = 3,154.80 × 1,884
  4. Step 4: Simplify right side
    2,095.68x = 5,943,643.20
  5. Step 5: Solve for x
    x = 5,943,643.20/2,095.68
  6. Step 6: Final answer
    x = 2,836.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.