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Finding the Fourth Proportional to 29,372.76, 44,030.16 and 18,812.79

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Solution

The fourth proportional to 29,372.76, 44,030.16 and 18,812.79 is: 28,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372.76 : 44,030.16 = 18,812.79 : x
  2. Step 2: Convert to fraction form
    29,372.76/44,030.16 = 18,812.79/x
  3. Step 3: Cross multiply
    29,372.76x = 44,030.16 × 18,812.79
  4. Step 4: Simplify right side
    29,372.76x = 828,330,153.75
  5. Step 5: Solve for x
    x = 828,330,153.75/29,372.76
  6. Step 6: Final answer
    x = 28,200.62

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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.