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Finding the Fourth Proportional to 16,899.65, 25,342.22 and 5,807.45

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Solution

The fourth proportional to 16,899.65, 25,342.22 and 5,807.45 is: 8,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.65 : 25,342.22 = 5,807.45 : x
  2. Step 2: Convert to fraction form
    16,899.65/25,342.22 = 5,807.45/x
  3. Step 3: Cross multiply
    16,899.65x = 25,342.22 × 5,807.45
  4. Step 4: Simplify right side
    16,899.65x = 147,173,519.79
  5. Step 5: Solve for x
    x = 147,173,519.79/16,899.65
  6. Step 6: Final answer
    x = 8,708.68

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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.