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Finding the Fourth Proportional to 70,327.11, 97,047.72 and 38,489.88

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Solution

The fourth proportional to 70,327.11, 97,047.72 and 38,489.88 is: 53,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,327.11 : 97,047.72 = 38,489.88 : x
  2. Step 2: Convert to fraction form
    70,327.11/97,047.72 = 38,489.88/x
  3. Step 3: Cross multiply
    70,327.11x = 97,047.72 × 38,489.88
  4. Step 4: Simplify right side
    70,327.11x = 3,735,355,097.07
  5. Step 5: Solve for x
    x = 3,735,355,097.07/70,327.11
  6. Step 6: Final answer
    x = 53,114.01

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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.