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Finding the Fourth Proportional to 69,117.30, 95,384.99 and 38,913.01

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Solution

The fourth proportional to 69,117.30, 95,384.99 and 38,913.01 is: 53,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,117.30 : 95,384.99 = 38,913.01 : x
  2. Step 2: Convert to fraction form
    69,117.30/95,384.99 = 38,913.01/x
  3. Step 3: Cross multiply
    69,117.30x = 95,384.99 × 38,913.01
  4. Step 4: Simplify right side
    69,117.30x = 3,711,716,928.54
  5. Step 5: Solve for x
    x = 3,711,716,928.54/69,117.30
  6. Step 6: Final answer
    x = 53,701.71

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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.