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Finding the Fourth Proportional to 63,048.87, 87,007.56 and 34,368.77

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Solution

The fourth proportional to 63,048.87, 87,007.56 and 34,368.77 is: 47,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.87 : 87,007.56 = 34,368.77 : x
  2. Step 2: Convert to fraction form
    63,048.87/87,007.56 = 34,368.77/x
  3. Step 3: Cross multiply
    63,048.87x = 87,007.56 × 34,368.77
  4. Step 4: Simplify right side
    63,048.87x = 2,990,342,382.86
  5. Step 5: Solve for x
    x = 2,990,342,382.86/63,048.87
  6. Step 6: Final answer
    x = 47,428.96

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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.