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Finding the Fourth Proportional to 21,863.84, 32,792.04 and 6,070.46

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Solution

The fourth proportional to 21,863.84, 32,792.04 and 6,070.46 is: 9,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863.84 : 32,792.04 = 6,070.46 : x
  2. Step 2: Convert to fraction form
    21,863.84/32,792.04 = 6,070.46/x
  3. Step 3: Cross multiply
    21,863.84x = 32,792.04 × 6,070.46
  4. Step 4: Simplify right side
    21,863.84x = 199,062,603.18
  5. Step 5: Solve for x
    x = 199,062,603.18/21,863.84
  6. Step 6: Final answer
    x = 9,104.65

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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.