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Finding the Fourth Proportional to 70,723.04, 97,595.28 and 38,891.72

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Solution

The fourth proportional to 70,723.04, 97,595.28 and 38,891.72 is: 53,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.04 : 97,595.28 = 38,891.72 : x
  2. Step 2: Convert to fraction form
    70,723.04/97,595.28 = 38,891.72/x
  3. Step 3: Cross multiply
    70,723.04x = 97,595.28 × 38,891.72
  4. Step 4: Simplify right side
    70,723.04x = 3,795,648,303.08
  5. Step 5: Solve for x
    x = 3,795,648,303.08/70,723.04
  6. Step 6: Final answer
    x = 53,669.19

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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.