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Finding the Fourth Proportional to 3,036.38, 4,555.18 and 956.91

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Solution

The fourth proportional to 3,036.38, 4,555.18 and 956.91 is: 1,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.38 : 4,555.18 = 956.91 : x
  2. Step 2: Convert to fraction form
    3,036.38/4,555.18 = 956.91/x
  3. Step 3: Cross multiply
    3,036.38x = 4,555.18 × 956.91
  4. Step 4: Simplify right side
    3,036.38x = 4,358,897.29
  5. Step 5: Solve for x
    x = 4,358,897.29/3,036.38
  6. Step 6: Final answer
    x = 1,435.56

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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.