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Finding the Fourth Proportional to 16,607.08, 22,917.76 and 9,155.08

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Solution

The fourth proportional to 16,607.08, 22,917.76 and 9,155.08 is: 12,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607.08 : 22,917.76 = 9,155.08 : x
  2. Step 2: Convert to fraction form
    16,607.08/22,917.76 = 9,155.08/x
  3. Step 3: Cross multiply
    16,607.08x = 22,917.76 × 9,155.08
  4. Step 4: Simplify right side
    16,607.08x = 209,813,926.22
  5. Step 5: Solve for x
    x = 209,813,926.22/16,607.08
  6. Step 6: Final answer
    x = 12,634.00

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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.