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Finding the Fourth Proportional to 17,807.40, 26,678.70 and 14,502.60

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Solution

The fourth proportional to 17,807.40, 26,678.70 and 14,502.60 is: 21,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.40 : 26,678.70 = 14,502.60 : x
  2. Step 2: Convert to fraction form
    17,807.40/26,678.70 = 14,502.60/x
  3. Step 3: Cross multiply
    17,807.40x = 26,678.70 × 14,502.60
  4. Step 4: Simplify right side
    17,807.40x = 386,910,514.62
  5. Step 5: Solve for x
    x = 386,910,514.62/17,807.40
  6. Step 6: Final answer
    x = 21,727.51

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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.