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Finding the Fourth Proportional to 8,737.55, 13,095.39 and 6,881.33

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Solution

The fourth proportional to 8,737.55, 13,095.39 and 6,881.33 is: 10,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.55 : 13,095.39 = 6,881.33 : x
  2. Step 2: Convert to fraction form
    8,737.55/13,095.39 = 6,881.33/x
  3. Step 3: Cross multiply
    8,737.55x = 13,095.39 × 6,881.33
  4. Step 4: Simplify right side
    8,737.55x = 90,113,632.92
  5. Step 5: Solve for x
    x = 90,113,632.92/8,737.55
  6. Step 6: Final answer
    x = 10,313.38

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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.