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Finding the Fourth Proportional to 6,240.80, 9,350.40 and 4,048.40

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Solution

The fourth proportional to 6,240.80, 9,350.40 and 4,048.40 is: 6,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.80 : 9,350.40 = 4,048.40 : x
  2. Step 2: Convert to fraction form
    6,240.80/9,350.40 = 4,048.40/x
  3. Step 3: Cross multiply
    6,240.80x = 9,350.40 × 4,048.40
  4. Step 4: Simplify right side
    6,240.80x = 37,854,159.36
  5. Step 5: Solve for x
    x = 37,854,159.36/6,240.80
  6. Step 6: Final answer
    x = 6,065.59

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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.