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Finding the Fourth Proportional to 29,572.56, 40,777.56 and 22,032.72

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Solution

The fourth proportional to 29,572.56, 40,777.56 and 22,032.72 is: 30,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,572.56 : 40,777.56 = 22,032.72 : x
  2. Step 2: Convert to fraction form
    29,572.56/40,777.56 = 22,032.72/x
  3. Step 3: Cross multiply
    29,572.56x = 40,777.56 × 22,032.72
  4. Step 4: Simplify right side
    29,572.56x = 898,440,561.76
  5. Step 5: Solve for x
    x = 898,440,561.76/29,572.56
  6. Step 6: Final answer
    x = 30,380.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.