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Finding the Fourth Proportional to 21,373.86, 32,060.94 and 6,582.90

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Solution

The fourth proportional to 21,373.86, 32,060.94 and 6,582.90 is: 9,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.86 : 32,060.94 = 6,582.90 : x
  2. Step 2: Convert to fraction form
    21,373.86/32,060.94 = 6,582.90/x
  3. Step 3: Cross multiply
    21,373.86x = 32,060.94 × 6,582.90
  4. Step 4: Simplify right side
    21,373.86x = 211,053,961.93
  5. Step 5: Solve for x
    x = 211,053,961.93/21,373.86
  6. Step 6: Final answer
    x = 9,874.40

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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.