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Finding the Fourth Proportional to 15,157.98, 22,740.03 and 6,392.88

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Solution

The fourth proportional to 15,157.98, 22,740.03 and 6,392.88 is: 9,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.98 : 22,740.03 = 6,392.88 : x
  2. Step 2: Convert to fraction form
    15,157.98/22,740.03 = 6,392.88/x
  3. Step 3: Cross multiply
    15,157.98x = 22,740.03 × 6,392.88
  4. Step 4: Simplify right side
    15,157.98x = 145,374,282.99
  5. Step 5: Solve for x
    x = 145,374,282.99/15,157.98
  6. Step 6: Final answer
    x = 9,590.61

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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.