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Finding the Fourth Proportional to 29,970.81, 44,956.20 and 8,910.76

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Solution

The fourth proportional to 29,970.81, 44,956.20 and 8,910.76 is: 13,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.81 : 44,956.20 = 8,910.76 : x
  2. Step 2: Convert to fraction form
    29,970.81/44,956.20 = 8,910.76/x
  3. Step 3: Cross multiply
    29,970.81x = 44,956.20 × 8,910.76
  4. Step 4: Simplify right side
    29,970.81x = 400,593,796.32
  5. Step 5: Solve for x
    x = 400,593,796.32/29,970.81
  6. Step 6: Final answer
    x = 13,366.13

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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.