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Finding the Fourth Proportional to 1,902.66, 2,854.10 and 587.32

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Solution

The fourth proportional to 1,902.66, 2,854.10 and 587.32 is: 881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.66 : 2,854.10 = 587.32 : x
  2. Step 2: Convert to fraction form
    1,902.66/2,854.10 = 587.32/x
  3. Step 3: Cross multiply
    1,902.66x = 2,854.10 × 587.32
  4. Step 4: Simplify right side
    1,902.66x = 1,676,273.91
  5. Step 5: Solve for x
    x = 1,676,273.91/1,902.66
  6. Step 6: Final answer
    x = 881.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.