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Finding the Fourth Proportional to 68,281, 94,228.18 and 38,068.22

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Solution

The fourth proportional to 68,281, 94,228.18 and 38,068.22 is: 52,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,281 : 94,228.18 = 38,068.22 : x
  2. Step 2: Convert to fraction form
    68,281/94,228.18 = 38,068.22/x
  3. Step 3: Cross multiply
    68,281x = 94,228.18 × 38,068.22
  4. Step 4: Simplify right side
    68,281x = 3,587,099,086.44
  5. Step 5: Solve for x
    x = 3,587,099,086.44/68,281
  6. Step 6: Final answer
    x = 52,534.37

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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.