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Finding the Fourth Proportional to 29,455.30, 44,110.05 and 18,909.10

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Solution

The fourth proportional to 29,455.30, 44,110.05 and 18,909.10 is: 28,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.30 : 44,110.05 = 18,909.10 : x
  2. Step 2: Convert to fraction form
    29,455.30/44,110.05 = 18,909.10/x
  3. Step 3: Cross multiply
    29,455.30x = 44,110.05 × 18,909.10
  4. Step 4: Simplify right side
    29,455.30x = 834,081,346.46
  5. Step 5: Solve for x
    x = 834,081,346.46/29,455.30
  6. Step 6: Final answer
    x = 28,316.85

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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.