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Finding the Fourth Proportional to 70,756.58, 97,643.04 and 38,923.58

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Solution

The fourth proportional to 70,756.58, 97,643.04 and 38,923.58 is: 53,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,756.58 : 97,643.04 = 38,923.58 : x
  2. Step 2: Convert to fraction form
    70,756.58/97,643.04 = 38,923.58/x
  3. Step 3: Cross multiply
    70,756.58x = 97,643.04 × 38,923.58
  4. Step 4: Simplify right side
    70,756.58x = 3,800,616,678.88
  5. Step 5: Solve for x
    x = 3,800,616,678.88/70,756.58
  6. Step 6: Final answer
    x = 53,713.97

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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.