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Finding the Fourth Proportional to 1,303.24, 1,956.12 and 1,062.68

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Solution

The fourth proportional to 1,303.24, 1,956.12 and 1,062.68 is: 1,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.24 : 1,956.12 = 1,062.68 : x
  2. Step 2: Convert to fraction form
    1,303.24/1,956.12 = 1,062.68/x
  3. Step 3: Cross multiply
    1,303.24x = 1,956.12 × 1,062.68
  4. Step 4: Simplify right side
    1,303.24x = 2,078,729.60
  5. Step 5: Solve for x
    x = 2,078,729.60/1,303.24
  6. Step 6: Final answer
    x = 1,595.05

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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.