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Finding the Fourth Proportional to 3,036.92, 4,555.84 and 956.71

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Solution

The fourth proportional to 3,036.92, 4,555.84 and 956.71 is: 1,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.92 : 4,555.84 = 956.71 : x
  2. Step 2: Convert to fraction form
    3,036.92/4,555.84 = 956.71/x
  3. Step 3: Cross multiply
    3,036.92x = 4,555.84 × 956.71
  4. Step 4: Simplify right side
    3,036.92x = 4,358,603.91
  5. Step 5: Solve for x
    x = 4,358,603.91/3,036.92
  6. Step 6: Final answer
    x = 1,435.20

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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.