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Finding the Fourth Proportional to 8,737.92, 13,106.07 and 2,893.77

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Solution

The fourth proportional to 8,737.92, 13,106.07 and 2,893.77 is: 4,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.92 : 13,106.07 = 2,893.77 : x
  2. Step 2: Convert to fraction form
    8,737.92/13,106.07 = 2,893.77/x
  3. Step 3: Cross multiply
    8,737.92x = 13,106.07 × 2,893.77
  4. Step 4: Simplify right side
    8,737.92x = 37,925,952.18
  5. Step 5: Solve for x
    x = 37,925,952.18/8,737.92
  6. Step 6: Final answer
    x = 4,340.39

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1.5x scale

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.