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Finding the Fourth Proportional to 21,373.66, 32,060.49 and 5,790.88

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Solution

The fourth proportional to 21,373.66, 32,060.49 and 5,790.88 is: 8,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.66 : 32,060.49 = 5,790.88 : x
  2. Step 2: Convert to fraction form
    21,373.66/32,060.49 = 5,790.88/x
  3. Step 3: Cross multiply
    21,373.66x = 32,060.49 × 5,790.88
  4. Step 4: Simplify right side
    21,373.66x = 185,658,450.33
  5. Step 5: Solve for x
    x = 185,658,450.33/21,373.66
  6. Step 6: Final answer
    x = 8,686.32

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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.