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Finding the Fourth Proportional to 17,807.51, 26,711.01 and 5,327.30

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Solution

The fourth proportional to 17,807.51, 26,711.01 and 5,327.30 is: 7,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.51 : 26,711.01 = 5,327.30 : x
  2. Step 2: Convert to fraction form
    17,807.51/26,711.01 = 5,327.30/x
  3. Step 3: Cross multiply
    17,807.51x = 26,711.01 × 5,327.30
  4. Step 4: Simplify right side
    17,807.51x = 142,297,430.02
  5. Step 5: Solve for x
    x = 142,297,430.02/17,807.51
  6. Step 6: Final answer
    x = 7,990.87

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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.