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Finding the Fourth Proportional to 16,602.85, 24,910.95 and 6,742.90

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Solution

The fourth proportional to 16,602.85, 24,910.95 and 6,742.90 is: 10,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602.85 : 24,910.95 = 6,742.90 : x
  2. Step 2: Convert to fraction form
    16,602.85/24,910.95 = 6,742.90/x
  3. Step 3: Cross multiply
    16,602.85x = 24,910.95 × 6,742.90
  4. Step 4: Simplify right side
    16,602.85x = 167,972,044.76
  5. Step 5: Solve for x
    x = 167,972,044.76/16,602.85
  6. Step 6: Final answer
    x = 10,117.06

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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.