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Finding the Fourth Proportional to 1,182.64, 1,774.85 and 954.27

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Solution

The fourth proportional to 1,182.64, 1,774.85 and 954.27 is: 1,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.64 : 1,774.85 = 954.27 : x
  2. Step 2: Convert to fraction form
    1,182.64/1,774.85 = 954.27/x
  3. Step 3: Cross multiply
    1,182.64x = 1,774.85 × 954.27
  4. Step 4: Simplify right side
    1,182.64x = 1,693,681.34
  5. Step 5: Solve for x
    x = 1,693,681.34/1,182.64
  6. Step 6: Final answer
    x = 1,432.12

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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.