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Finding the Fourth Proportional to 19,092.01, 28,642.13 and 5,763.90

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Solution

The fourth proportional to 19,092.01, 28,642.13 and 5,763.90 is: 8,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.01 : 28,642.13 = 5,763.90 : x
  2. Step 2: Convert to fraction form
    19,092.01/28,642.13 = 5,763.90/x
  3. Step 3: Cross multiply
    19,092.01x = 28,642.13 × 5,763.90
  4. Step 4: Simplify right side
    19,092.01x = 165,090,373.11
  5. Step 5: Solve for x
    x = 165,090,373.11/19,092.01
  6. Step 6: Final answer
    x = 8,647.09

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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.