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Finding the Fourth Proportional to 68,685.06, 94,784.94 and 38,470.44

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Solution

The fourth proportional to 68,685.06, 94,784.94 and 38,470.44 is: 53,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,685.06 : 94,784.94 = 38,470.44 : x
  2. Step 2: Convert to fraction form
    68,685.06/94,784.94 = 38,470.44/x
  3. Step 3: Cross multiply
    68,685.06x = 94,784.94 × 38,470.44
  4. Step 4: Simplify right side
    68,685.06x = 3,646,418,347.17
  5. Step 5: Solve for x
    x = 3,646,418,347.17/68,685.06
  6. Step 6: Final answer
    x = 53,088.96

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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.