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Finding the Fourth Proportional to 70,491, 97,268.70 and 38,651.52

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Solution

The fourth proportional to 70,491, 97,268.70 and 38,651.52 is: 53,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,491 : 97,268.70 = 38,651.52 : x
  2. Step 2: Convert to fraction form
    70,491/97,268.70 = 38,651.52/x
  3. Step 3: Cross multiply
    70,491x = 97,268.70 × 38,651.52
  4. Step 4: Simplify right side
    70,491x = 3,759,583,103.42
  5. Step 5: Solve for x
    x = 3,759,583,103.42/70,491
  6. Step 6: Final answer
    x = 53,334.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.