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Finding the Fourth Proportional to 16,606.65, 22,916.34 and 9,435.63

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Solution

The fourth proportional to 16,606.65, 22,916.34 and 9,435.63 is: 13,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606.65 : 22,916.34 = 9,435.63 : x
  2. Step 2: Convert to fraction form
    16,606.65/22,916.34 = 9,435.63/x
  3. Step 3: Cross multiply
    16,606.65x = 22,916.34 × 9,435.63
  4. Step 4: Simplify right side
    16,606.65x = 216,230,105.19
  5. Step 5: Solve for x
    x = 216,230,105.19/16,606.65
  6. Step 6: Final answer
    x = 13,020.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.