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Finding the Fourth Proportional to 7,881.93, 11,823.15 and 2,950.63

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Solution

The fourth proportional to 7,881.93, 11,823.15 and 2,950.63 is: 4,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.93 : 11,823.15 = 2,950.63 : x
  2. Step 2: Convert to fraction form
    7,881.93/11,823.15 = 2,950.63/x
  3. Step 3: Cross multiply
    7,881.93x = 11,823.15 × 2,950.63
  4. Step 4: Simplify right side
    7,881.93x = 34,885,750.33
  5. Step 5: Solve for x
    x = 34,885,750.33/7,881.93
  6. Step 6: Final answer
    x = 4,426.04

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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.