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Finding the Fourth Proportional to 956.48, 1,436.28 and 835.52

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Solution

The fourth proportional to 956.48, 1,436.28 and 835.52 is: 1,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.48 : 1,436.28 = 835.52 : x
  2. Step 2: Convert to fraction form
    956.48/1,436.28 = 835.52/x
  3. Step 3: Cross multiply
    956.48x = 1,436.28 × 835.52
  4. Step 4: Simplify right side
    956.48x = 1,200,040.67
  5. Step 5: Solve for x
    x = 1,200,040.67/956.48
  6. Step 6: Final answer
    x = 1,254.64

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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.