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Finding the Fourth Proportional to 1,303.74, 1,956.92 and 1,156.46

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Solution

The fourth proportional to 1,303.74, 1,956.92 and 1,156.46 is: 1,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.74 : 1,956.92 = 1,156.46 : x
  2. Step 2: Convert to fraction form
    1,303.74/1,956.92 = 1,156.46/x
  3. Step 3: Cross multiply
    1,303.74x = 1,956.92 × 1,156.46
  4. Step 4: Simplify right side
    1,303.74x = 2,263,084.14
  5. Step 5: Solve for x
    x = 2,263,084.14/1,303.74
  6. Step 6: Final answer
    x = 1,735.84

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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.