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Finding the Fourth Proportional to 1,049.68, 1,573.83 and 587.51

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Solution

The fourth proportional to 1,049.68, 1,573.83 and 587.51 is: 880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.68 : 1,573.83 = 587.51 : x
  2. Step 2: Convert to fraction form
    1,049.68/1,573.83 = 587.51/x
  3. Step 3: Cross multiply
    1,049.68x = 1,573.83 × 587.51
  4. Step 4: Simplify right side
    1,049.68x = 924,640.86
  5. Step 5: Solve for x
    x = 924,640.86/1,049.68
  6. Step 6: Final answer
    x = 880.88

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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.