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Finding the Fourth Proportional to 70,467.48, 97,081.74 and 49,213.08

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Solution

The fourth proportional to 70,467.48, 97,081.74 and 49,213.08 is: 67,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,467.48 : 97,081.74 = 49,213.08 : x
  2. Step 2: Convert to fraction form
    70,467.48/97,081.74 = 49,213.08/x
  3. Step 3: Cross multiply
    70,467.48x = 97,081.74 × 49,213.08
  4. Step 4: Simplify right side
    70,467.48x = 4,777,691,437.16
  5. Step 5: Solve for x
    x = 4,777,691,437.16/70,467.48
  6. Step 6: Final answer
    x = 67,799.95

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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.