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Finding the Fourth Proportional to 3,036.87, 4,555.34 and 956.83

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Solution

The fourth proportional to 3,036.87, 4,555.34 and 956.83 is: 1,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.87 : 4,555.34 = 956.83 : x
  2. Step 2: Convert to fraction form
    3,036.87/4,555.34 = 956.83/x
  3. Step 3: Cross multiply
    3,036.87x = 4,555.34 × 956.83
  4. Step 4: Simplify right side
    3,036.87x = 4,358,685.97
  5. Step 5: Solve for x
    x = 4,358,685.97/3,036.87
  6. Step 6: Final answer
    x = 1,435.26

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1.5x scale

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.