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Finding the Fourth Proportional to 16,605.65, 24,903.05 and 5,509.36

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Solution

The fourth proportional to 16,605.65, 24,903.05 and 5,509.36 is: 8,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.65 : 24,903.05 = 5,509.36 : x
  2. Step 2: Convert to fraction form
    16,605.65/24,903.05 = 5,509.36/x
  3. Step 3: Cross multiply
    16,605.65x = 24,903.05 × 5,509.36
  4. Step 4: Simplify right side
    16,605.65x = 137,199,819.06
  5. Step 5: Solve for x
    x = 137,199,819.06/16,605.65
  6. Step 6: Final answer
    x = 8,262.24

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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.