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Finding the Fourth Proportional to 68,392.27, 94,397.07 and 40,107.07

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Solution

The fourth proportional to 68,392.27, 94,397.07 and 40,107.07 is: 55,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,392.27 : 94,397.07 = 40,107.07 : x
  2. Step 2: Convert to fraction form
    68,392.27/94,397.07 = 40,107.07/x
  3. Step 3: Cross multiply
    68,392.27x = 94,397.07 × 40,107.07
  4. Step 4: Simplify right side
    68,392.27x = 3,785,989,894.28
  5. Step 5: Solve for x
    x = 3,785,989,894.28/68,392.27
  6. Step 6: Final answer
    x = 55,356.99

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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.