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Finding the Fourth Proportional to 68,294.95, 94,246.64 and 38,080.63

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Solution

The fourth proportional to 68,294.95, 94,246.64 and 38,080.63 is: 52,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.95 : 94,246.64 = 38,080.63 : x
  2. Step 2: Convert to fraction form
    68,294.95/94,246.64 = 38,080.63/x
  3. Step 3: Cross multiply
    68,294.95x = 94,246.64 × 38,080.63
  4. Step 4: Simplify right side
    68,294.95x = 3,588,971,496.79
  5. Step 5: Solve for x
    x = 3,588,971,496.79/68,294.95
  6. Step 6: Final answer
    x = 52,551.05

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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.