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Finding the Fourth Proportional to 16,558.74, 22,850.61 and 9,106.74

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Solution

The fourth proportional to 16,558.74, 22,850.61 and 9,106.74 is: 12,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.74 : 22,850.61 = 9,106.74 : x
  2. Step 2: Convert to fraction form
    16,558.74/22,850.61 = 9,106.74/x
  3. Step 3: Cross multiply
    16,558.74x = 22,850.61 × 9,106.74
  4. Step 4: Simplify right side
    16,558.74x = 208,094,564.11
  5. Step 5: Solve for x
    x = 208,094,564.11/16,558.74
  6. Step 6: Final answer
    x = 12,567.05

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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.