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Finding the Fourth Proportional to 39,914, 59,870.76 and 10,331.72

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Solution

The fourth proportional to 39,914, 59,870.76 and 10,331.72 is: 15,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914 : 59,870.76 = 10,331.72 : x
  2. Step 2: Convert to fraction form
    39,914/59,870.76 = 10,331.72/x
  3. Step 3: Cross multiply
    39,914x = 59,870.76 × 10,331.72
  4. Step 4: Simplify right side
    39,914x = 618,567,928.51
  5. Step 5: Solve for x
    x = 618,567,928.51/39,914
  6. Step 6: Final answer
    x = 15,497.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.