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Finding the Fourth Proportional to 21,862.55, 32,794.02 and 6,280.17

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Solution

The fourth proportional to 21,862.55, 32,794.02 and 6,280.17 is: 9,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.55 : 32,794.02 = 6,280.17 : x
  2. Step 2: Convert to fraction form
    21,862.55/32,794.02 = 6,280.17/x
  3. Step 3: Cross multiply
    21,862.55x = 32,794.02 × 6,280.17
  4. Step 4: Simplify right side
    21,862.55x = 205,952,020.58
  5. Step 5: Solve for x
    x = 205,952,020.58/21,862.55
  6. Step 6: Final answer
    x = 9,420.31

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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.