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Finding the Fourth Proportional to 4,626.74, 6,939.04 and 1,339.10

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Solution

The fourth proportional to 4,626.74, 6,939.04 and 1,339.10 is: 2,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.74 : 6,939.04 = 1,339.10 : x
  2. Step 2: Convert to fraction form
    4,626.74/6,939.04 = 1,339.10/x
  3. Step 3: Cross multiply
    4,626.74x = 6,939.04 × 1,339.10
  4. Step 4: Simplify right side
    4,626.74x = 9,292,068.46
  5. Step 5: Solve for x
    x = 9,292,068.46/4,626.74
  6. Step 6: Final answer
    x = 2,008.34

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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.