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Finding the Fourth Proportional to 18,509.70, 27,767.42 and 6,026.79

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Solution

The fourth proportional to 18,509.70, 27,767.42 and 6,026.79 is: 9,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.70 : 27,767.42 = 6,026.79 : x
  2. Step 2: Convert to fraction form
    18,509.70/27,767.42 = 6,026.79/x
  3. Step 3: Cross multiply
    18,509.70x = 27,767.42 × 6,026.79
  4. Step 4: Simplify right side
    18,509.70x = 167,348,409.18
  5. Step 5: Solve for x
    x = 167,348,409.18/18,509.70
  6. Step 6: Final answer
    x = 9,041.12

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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.