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Finding the Fourth Proportional to 8,737.65, 13,095.53 and 6,881.43

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Solution

The fourth proportional to 8,737.65, 13,095.53 and 6,881.43 is: 10,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.65 : 13,095.53 = 6,881.43 : x
  2. Step 2: Convert to fraction form
    8,737.65/13,095.53 = 6,881.43/x
  3. Step 3: Cross multiply
    8,737.65x = 13,095.53 × 6,881.43
  4. Step 4: Simplify right side
    8,737.65x = 90,115,973.01
  5. Step 5: Solve for x
    x = 90,115,973.01/8,737.65
  6. Step 6: Final answer
    x = 10,313.53

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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.