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Finding the Fourth Proportional to 16,606.68, 22,916.88 and 9,154.68

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Solution

The fourth proportional to 16,606.68, 22,916.88 and 9,154.68 is: 12,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606.68 : 22,916.88 = 9,154.68 : x
  2. Step 2: Convert to fraction form
    16,606.68/22,916.88 = 9,154.68/x
  3. Step 3: Cross multiply
    16,606.68x = 22,916.88 × 9,154.68
  4. Step 4: Simplify right side
    16,606.68x = 209,796,703.00
  5. Step 5: Solve for x
    x = 209,796,703.00/16,606.68
  6. Step 6: Final answer
    x = 12,633.27

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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.