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Finding the Fourth Proportional to 17,989.84, 27,002.04 and 8,762.32

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Solution

The fourth proportional to 17,989.84, 27,002.04 and 8,762.32 is: 13,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.84 : 27,002.04 = 8,762.32 : x
  2. Step 2: Convert to fraction form
    17,989.84/27,002.04 = 8,762.32/x
  3. Step 3: Cross multiply
    17,989.84x = 27,002.04 × 8,762.32
  4. Step 4: Simplify right side
    17,989.84x = 236,600,515.13
  5. Step 5: Solve for x
    x = 236,600,515.13/17,989.84
  6. Step 6: Final answer
    x = 13,151.90

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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.