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Finding the Fourth Proportional to 15,023.61, 22,525.88 and 7,999.29

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Solution

The fourth proportional to 15,023.61, 22,525.88 and 7,999.29 is: 11,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.61 : 22,525.88 = 7,999.29 : x
  2. Step 2: Convert to fraction form
    15,023.61/22,525.88 = 7,999.29/x
  3. Step 3: Cross multiply
    15,023.61x = 22,525.88 × 7,999.29
  4. Step 4: Simplify right side
    15,023.61x = 180,191,006.63
  5. Step 5: Solve for x
    x = 180,191,006.63/15,023.61
  6. Step 6: Final answer
    x = 11,993.86

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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.