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Finding the Fourth Proportional to 7,908.30, 11,851.65 and 5,268.30

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Solution

The fourth proportional to 7,908.30, 11,851.65 and 5,268.30 is: 7,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.30 : 11,851.65 = 5,268.30 : x
  2. Step 2: Convert to fraction form
    7,908.30/11,851.65 = 5,268.30/x
  3. Step 3: Cross multiply
    7,908.30x = 11,851.65 × 5,268.30
  4. Step 4: Simplify right side
    7,908.30x = 62,438,047.70
  5. Step 5: Solve for x
    x = 62,438,047.70/7,908.30
  6. Step 6: Final answer
    x = 7,895.26

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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.