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Finding the Fourth Proportional to 68,696.66, 94,847.63 and 42,894.48

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Solution

The fourth proportional to 68,696.66, 94,847.63 and 42,894.48 is: 59,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,696.66 : 94,847.63 = 42,894.48 : x
  2. Step 2: Convert to fraction form
    68,696.66/94,847.63 = 42,894.48/x
  3. Step 3: Cross multiply
    68,696.66x = 94,847.63 × 42,894.48
  4. Step 4: Simplify right side
    68,696.66x = 4,068,439,553.61
  5. Step 5: Solve for x
    x = 4,068,439,553.61/68,696.66
  6. Step 6: Final answer
    x = 59,223.26

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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.