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Finding the Fourth Proportional to 14,151.57, 21,208.96 and 5,822.11

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Solution

The fourth proportional to 14,151.57, 21,208.96 and 5,822.11 is: 8,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.57 : 21,208.96 = 5,822.11 : x
  2. Step 2: Convert to fraction form
    14,151.57/21,208.96 = 5,822.11/x
  3. Step 3: Cross multiply
    14,151.57x = 21,208.96 × 5,822.11
  4. Step 4: Simplify right side
    14,151.57x = 123,480,898.11
  5. Step 5: Solve for x
    x = 123,480,898.11/14,151.57
  6. Step 6: Final answer
    x = 8,725.60

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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.