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Finding the Fourth Proportional to 27,243.52, 40,792.32 and 15,989.68

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Solution

The fourth proportional to 27,243.52, 40,792.32 and 15,989.68 is: 23,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.52 : 40,792.32 = 15,989.68 : x
  2. Step 2: Convert to fraction form
    27,243.52/40,792.32 = 15,989.68/x
  3. Step 3: Cross multiply
    27,243.52x = 40,792.32 × 15,989.68
  4. Step 4: Simplify right side
    27,243.52x = 652,256,143.26
  5. Step 5: Solve for x
    x = 652,256,143.26/27,243.52
  6. Step 6: Final answer
    x = 23,941.70

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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.