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Finding the Fourth Proportional to 1,160.12, 1,599.88 and 924.85

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Solution

The fourth proportional to 1,160.12, 1,599.88 and 924.85 is: 1,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.12 : 1,599.88 = 924.85 : x
  2. Step 2: Convert to fraction form
    1,160.12/1,599.88 = 924.85/x
  3. Step 3: Cross multiply
    1,160.12x = 1,599.88 × 924.85
  4. Step 4: Simplify right side
    1,160.12x = 1,479,649.02
  5. Step 5: Solve for x
    x = 1,479,649.02/1,160.12
  6. Step 6: Final answer
    x = 1,275.42

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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.