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Finding the Fourth Proportional to 63,697.71, 87,888.56 and 38,546.67

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Solution

The fourth proportional to 63,697.71, 87,888.56 and 38,546.67 is: 53,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.71 : 87,888.56 = 38,546.67 : x
  2. Step 2: Convert to fraction form
    63,697.71/87,888.56 = 38,546.67/x
  3. Step 3: Cross multiply
    63,697.71x = 87,888.56 × 38,546.67
  4. Step 4: Simplify right side
    63,697.71x = 3,387,811,126.36
  5. Step 5: Solve for x
    x = 3,387,811,126.36/63,697.71
  6. Step 6: Final answer
    x = 53,185.76

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1.5x scale

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.