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Finding the Fourth Proportional to 70,723.44, 97,599.06 and 38,892.57

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Solution

The fourth proportional to 70,723.44, 97,599.06 and 38,892.57 is: 53,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.44 : 97,599.06 = 38,892.57 : x
  2. Step 2: Convert to fraction form
    70,723.44/97,599.06 = 38,892.57/x
  3. Step 3: Cross multiply
    70,723.44x = 97,599.06 × 38,892.57
  4. Step 4: Simplify right side
    70,723.44x = 3,795,878,272.98
  5. Step 5: Solve for x
    x = 3,795,878,272.98/70,723.44
  6. Step 6: Final answer
    x = 53,672.14

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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.