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Finding the Fourth Proportional to 15,309.78, 22,968.32 and 5,950.05

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Solution

The fourth proportional to 15,309.78, 22,968.32 and 5,950.05 is: 8,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.78 : 22,968.32 = 5,950.05 : x
  2. Step 2: Convert to fraction form
    15,309.78/22,968.32 = 5,950.05/x
  3. Step 3: Cross multiply
    15,309.78x = 22,968.32 × 5,950.05
  4. Step 4: Simplify right side
    15,309.78x = 136,662,622.67
  5. Step 5: Solve for x
    x = 136,662,622.67/15,309.78
  6. Step 6: Final answer
    x = 8,926.49

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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.