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Finding the Fourth Proportional to 63,048.99, 87,006.39 and 34,368.90

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Solution

The fourth proportional to 63,048.99, 87,006.39 and 34,368.90 is: 47,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.99 : 87,006.39 = 34,368.90 : x
  2. Step 2: Convert to fraction form
    63,048.99/87,006.39 = 34,368.90/x
  3. Step 3: Cross multiply
    63,048.99x = 87,006.39 × 34,368.90
  4. Step 4: Simplify right side
    63,048.99x = 2,990,313,917.27
  5. Step 5: Solve for x
    x = 2,990,313,917.27/63,048.99
  6. Step 6: Final answer
    x = 47,428.42

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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.