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Finding the Fourth Proportional to 38,547.99, 57,717.59 and 20,041.11

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Solution

The fourth proportional to 38,547.99, 57,717.59 and 20,041.11 is: 30,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,547.99 : 57,717.59 = 20,041.11 : x
  2. Step 2: Convert to fraction form
    38,547.99/57,717.59 = 20,041.11/x
  3. Step 3: Cross multiply
    38,547.99x = 57,717.59 × 20,041.11
  4. Step 4: Simplify right side
    38,547.99x = 1,156,724,469.92
  5. Step 5: Solve for x
    x = 1,156,724,469.92/38,547.99
  6. Step 6: Final answer
    x = 30,007.39

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Why These Related Problems?

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