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Finding the Fourth Proportional to 21,502.76, 32,250.48 and 5,708.02

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Solution

The fourth proportional to 21,502.76, 32,250.48 and 5,708.02 is: 8,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.76 : 32,250.48 = 5,708.02 : x
  2. Step 2: Convert to fraction form
    21,502.76/32,250.48 = 5,708.02/x
  3. Step 3: Cross multiply
    21,502.76x = 32,250.48 × 5,708.02
  4. Step 4: Simplify right side
    21,502.76x = 184,086,384.85
  5. Step 5: Solve for x
    x = 184,086,384.85/21,502.76
  6. Step 6: Final answer
    x = 8,561.06

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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.