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Finding the Fourth Proportional to 1,065.66, 1,596.48 and 951.30

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Solution

The fourth proportional to 1,065.66, 1,596.48 and 951.30 is: 1,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.66 : 1,596.48 = 951.30 : x
  2. Step 2: Convert to fraction form
    1,065.66/1,596.48 = 951.30/x
  3. Step 3: Cross multiply
    1,065.66x = 1,596.48 × 951.30
  4. Step 4: Simplify right side
    1,065.66x = 1,518,731.42
  5. Step 5: Solve for x
    x = 1,518,731.42/1,065.66
  6. Step 6: Final answer
    x = 1,425.16

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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.