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Finding the Fourth Proportional to 70,574.92, 97,393.80 and 38,744.08

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Solution

The fourth proportional to 70,574.92, 97,393.80 and 38,744.08 is: 53,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574.92 : 97,393.80 = 38,744.08 : x
  2. Step 2: Convert to fraction form
    70,574.92/97,393.80 = 38,744.08/x
  3. Step 3: Cross multiply
    70,574.92x = 97,393.80 × 38,744.08
  4. Step 4: Simplify right side
    70,574.92x = 3,773,433,178.70
  5. Step 5: Solve for x
    x = 3,773,433,178.70/70,574.92
  6. Step 6: Final answer
    x = 53,467.06

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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.