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Finding the Fourth Proportional to 7,502.68, 11,242.48 and 2,883.16

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Solution

The fourth proportional to 7,502.68, 11,242.48 and 2,883.16 is: 4,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.68 : 11,242.48 = 2,883.16 : x
  2. Step 2: Convert to fraction form
    7,502.68/11,242.48 = 2,883.16/x
  3. Step 3: Cross multiply
    7,502.68x = 11,242.48 × 2,883.16
  4. Step 4: Simplify right side
    7,502.68x = 32,413,868.64
  5. Step 5: Solve for x
    x = 32,413,868.64/7,502.68
  6. Step 6: Final answer
    x = 4,320.31

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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.