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Finding the Fourth Proportional to 6,515.93, 9,767.73 and 5,919.30

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Solution

The fourth proportional to 6,515.93, 9,767.73 and 5,919.30 is: 8,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.93 : 9,767.73 = 5,919.30 : x
  2. Step 2: Convert to fraction form
    6,515.93/9,767.73 = 5,919.30/x
  3. Step 3: Cross multiply
    6,515.93x = 9,767.73 × 5,919.30
  4. Step 4: Simplify right side
    6,515.93x = 57,818,124.19
  5. Step 5: Solve for x
    x = 57,818,124.19/6,515.93
  6. Step 6: Final answer
    x = 8,873.35

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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.