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Finding the Fourth Proportional to 8,792.43, 12,132.48 and 7,004.47

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Solution

The fourth proportional to 8,792.43, 12,132.48 and 7,004.47 is: 9,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.43 : 12,132.48 = 7,004.47 : x
  2. Step 2: Convert to fraction form
    8,792.43/12,132.48 = 7,004.47/x
  3. Step 3: Cross multiply
    8,792.43x = 12,132.48 × 7,004.47
  4. Step 4: Simplify right side
    8,792.43x = 84,981,531.52
  5. Step 5: Solve for x
    x = 84,981,531.52/8,792.43
  6. Step 6: Final answer
    x = 9,665.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.