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Finding the Fourth Proportional to 29,330.81, 43,998.80 and 8,271.01

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Solution

The fourth proportional to 29,330.81, 43,998.80 and 8,271.01 is: 12,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.81 : 43,998.80 = 8,271.01 : x
  2. Step 2: Convert to fraction form
    29,330.81/43,998.80 = 8,271.01/x
  3. Step 3: Cross multiply
    29,330.81x = 43,998.80 × 8,271.01
  4. Step 4: Simplify right side
    29,330.81x = 363,914,528.43
  5. Step 5: Solve for x
    x = 363,914,528.43/29,330.81
  6. Step 6: Final answer
    x = 12,407.24

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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.