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Finding the Fourth Proportional to 17,641.54, 26,457.78 and 6,542.08

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Solution

The fourth proportional to 17,641.54, 26,457.78 and 6,542.08 is: 9,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,641.54 : 26,457.78 = 6,542.08 : x
  2. Step 2: Convert to fraction form
    17,641.54/26,457.78 = 6,542.08/x
  3. Step 3: Cross multiply
    17,641.54x = 26,457.78 × 6,542.08
  4. Step 4: Simplify right side
    17,641.54x = 173,088,913.38
  5. Step 5: Solve for x
    x = 173,088,913.38/17,641.54
  6. Step 6: Final answer
    x = 9,811.44

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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.