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Finding the Fourth Proportional to 27,089.71, 40,634.38 and 7,368.19

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Solution

The fourth proportional to 27,089.71, 40,634.38 and 7,368.19 is: 11,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.71 : 40,634.38 = 7,368.19 : x
  2. Step 2: Convert to fraction form
    27,089.71/40,634.38 = 7,368.19/x
  3. Step 3: Cross multiply
    27,089.71x = 40,634.38 × 7,368.19
  4. Step 4: Simplify right side
    27,089.71x = 299,401,832.37
  5. Step 5: Solve for x
    x = 299,401,832.37/27,089.71
  6. Step 6: Final answer
    x = 11,052.23

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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.