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Finding the Fourth Proportional to 29,888.76, 44,816.40 and 13,861.11

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Solution

The fourth proportional to 29,888.76, 44,816.40 and 13,861.11 is: 20,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,888.76 : 44,816.40 = 13,861.11 : x
  2. Step 2: Convert to fraction form
    29,888.76/44,816.40 = 13,861.11/x
  3. Step 3: Cross multiply
    29,888.76x = 44,816.40 × 13,861.11
  4. Step 4: Simplify right side
    29,888.76x = 621,205,050.20
  5. Step 5: Solve for x
    x = 621,205,050.20/29,888.76
  6. Step 6: Final answer
    x = 20,783.90

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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.