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Finding the Fourth Proportional to 7,485.08, 11,227.53 and 2,868.08

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Solution

The fourth proportional to 7,485.08, 11,227.53 and 2,868.08 is: 4,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.08 : 11,227.53 = 2,868.08 : x
  2. Step 2: Convert to fraction form
    7,485.08/11,227.53 = 2,868.08/x
  3. Step 3: Cross multiply
    7,485.08x = 11,227.53 × 2,868.08
  4. Step 4: Simplify right side
    7,485.08x = 32,201,398.10
  5. Step 5: Solve for x
    x = 32,201,398.10/7,485.08
  6. Step 6: Final answer
    x = 4,302.08

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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.