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Finding the Fourth Proportional to 1,062.86, 1,594.66 and 549.50

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Solution

The fourth proportional to 1,062.86, 1,594.66 and 549.50 is: 824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.86 : 1,594.66 = 549.50 : x
  2. Step 2: Convert to fraction form
    1,062.86/1,594.66 = 549.50/x
  3. Step 3: Cross multiply
    1,062.86x = 1,594.66 × 549.50
  4. Step 4: Simplify right side
    1,062.86x = 876,265.67
  5. Step 5: Solve for x
    x = 876,265.67/1,062.86
  6. Step 6: Final answer
    x = 824.44

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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.