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Finding the Fourth Proportional to 4,338.84, 6,508.80 and 1,705.80

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Solution

The fourth proportional to 4,338.84, 6,508.80 and 1,705.80 is: 2,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.84 : 6,508.80 = 1,705.80 : x
  2. Step 2: Convert to fraction form
    4,338.84/6,508.80 = 1,705.80/x
  3. Step 3: Cross multiply
    4,338.84x = 6,508.80 × 1,705.80
  4. Step 4: Simplify right side
    4,338.84x = 11,102,711.04
  5. Step 5: Solve for x
    x = 11,102,711.04/4,338.84
  6. Step 6: Final answer
    x = 2,558.91

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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.