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Finding the Fourth Proportional to 17,624.04, 26,421.24 and 8,259.12

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Solution

The fourth proportional to 17,624.04, 26,421.24 and 8,259.12 is: 12,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,624.04 : 26,421.24 = 8,259.12 : x
  2. Step 2: Convert to fraction form
    17,624.04/26,421.24 = 8,259.12/x
  3. Step 3: Cross multiply
    17,624.04x = 26,421.24 × 8,259.12
  4. Step 4: Simplify right side
    17,624.04x = 218,216,191.71
  5. Step 5: Solve for x
    x = 218,216,191.71/17,624.04
  6. Step 6: Final answer
    x = 12,381.73

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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.