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Finding the Fourth Proportional to 17,988.82, 26,977.73 and 8,624.00

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Solution

The fourth proportional to 17,988.82, 26,977.73 and 8,624.00 is: 12,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.82 : 26,977.73 = 8,624.00 : x
  2. Step 2: Convert to fraction form
    17,988.82/26,977.73 = 8,624.00/x
  3. Step 3: Cross multiply
    17,988.82x = 26,977.73 × 8,624.00
  4. Step 4: Simplify right side
    17,988.82x = 232,655,967.84
  5. Step 5: Solve for x
    x = 232,655,967.84/17,988.82
  6. Step 6: Final answer
    x = 12,933.37

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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.