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Finding the Fourth Proportional to 11,829.70, 17,737.80 and 4,434.40

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Solution

The fourth proportional to 11,829.70, 17,737.80 and 4,434.40 is: 6,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.70 : 17,737.80 = 4,434.40 : x
  2. Step 2: Convert to fraction form
    11,829.70/17,737.80 = 4,434.40/x
  3. Step 3: Cross multiply
    11,829.70x = 17,737.80 × 4,434.40
  4. Step 4: Simplify right side
    11,829.70x = 78,656,500.32
  5. Step 5: Solve for x
    x = 78,656,500.32/11,829.70
  6. Step 6: Final answer
    x = 6,649.07

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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.