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Finding the Fourth Proportional to 4,377.60, 6,040.80 and 2,698.80

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Solution

The fourth proportional to 4,377.60, 6,040.80 and 2,698.80 is: 3,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.60 : 6,040.80 = 2,698.80 : x
  2. Step 2: Convert to fraction form
    4,377.60/6,040.80 = 2,698.80/x
  3. Step 3: Cross multiply
    4,377.60x = 6,040.80 × 2,698.80
  4. Step 4: Simplify right side
    4,377.60x = 16,302,911.04
  5. Step 5: Solve for x
    x = 16,302,911.04/4,377.60
  6. Step 6: Final answer
    x = 3,724.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.