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Finding the Fourth Proportional to 6,040.58, 8,300.68 and 4,919.13

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Solution

The fourth proportional to 6,040.58, 8,300.68 and 4,919.13 is: 6,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.58 : 8,300.68 = 4,919.13 : x
  2. Step 2: Convert to fraction form
    6,040.58/8,300.68 = 4,919.13/x
  3. Step 3: Cross multiply
    6,040.58x = 8,300.68 × 4,919.13
  4. Step 4: Simplify right side
    6,040.58x = 40,832,111.71
  5. Step 5: Solve for x
    x = 40,832,111.71/6,040.58
  6. Step 6: Final answer
    x = 6,759.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.