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Finding the Fourth Proportional to 23,909.88, 35,869.66 and 8,328.72

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Solution

The fourth proportional to 23,909.88, 35,869.66 and 8,328.72 is: 12,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.88 : 35,869.66 = 8,328.72 : x
  2. Step 2: Convert to fraction form
    23,909.88/35,869.66 = 8,328.72/x
  3. Step 3: Cross multiply
    23,909.88x = 35,869.66 × 8,328.72
  4. Step 4: Simplify right side
    23,909.88x = 298,748,354.64
  5. Step 5: Solve for x
    x = 298,748,354.64/23,909.88
  6. Step 6: Final answer
    x = 12,494.77

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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.