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Finding the Fourth Proportional to 68,657.63, 94,749.28 and 38,449.33

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Solution

The fourth proportional to 68,657.63, 94,749.28 and 38,449.33 is: 53,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,657.63 : 94,749.28 = 38,449.33 : x
  2. Step 2: Convert to fraction form
    68,657.63/94,749.28 = 38,449.33/x
  3. Step 3: Cross multiply
    68,657.63x = 94,749.28 × 38,449.33
  4. Step 4: Simplify right side
    68,657.63x = 3,643,046,000.99
  5. Step 5: Solve for x
    x = 3,643,046,000.99/68,657.63
  6. Step 6: Final answer
    x = 53,061.05

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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.