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Finding the Fourth Proportional to 22,689.93, 34,025.56 and 8,655.06

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Solution

The fourth proportional to 22,689.93, 34,025.56 and 8,655.06 is: 12,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.93 : 34,025.56 = 8,655.06 : x
  2. Step 2: Convert to fraction form
    22,689.93/34,025.56 = 8,655.06/x
  3. Step 3: Cross multiply
    22,689.93x = 34,025.56 × 8,655.06
  4. Step 4: Simplify right side
    22,689.93x = 294,493,263.33
  5. Step 5: Solve for x
    x = 294,493,263.33/22,689.93
  6. Step 6: Final answer
    x = 12,979.03

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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.