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Finding the Fourth Proportional to 1,116.56, 1,674.95 and 595.13

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Solution

The fourth proportional to 1,116.56, 1,674.95 and 595.13 is: 892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.56 : 1,674.95 = 595.13 : x
  2. Step 2: Convert to fraction form
    1,116.56/1,674.95 = 595.13/x
  3. Step 3: Cross multiply
    1,116.56x = 1,674.95 × 595.13
  4. Step 4: Simplify right side
    1,116.56x = 996,801.64
  5. Step 5: Solve for x
    x = 996,801.64/1,116.56
  6. Step 6: Final answer
    x = 892.74

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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.