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Finding the Fourth Proportional to 15,792.70, 23,657.85 and 8,007.10

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Solution

The fourth proportional to 15,792.70, 23,657.85 and 8,007.10 is: 11,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.70 : 23,657.85 = 8,007.10 : x
  2. Step 2: Convert to fraction form
    15,792.70/23,657.85 = 8,007.10/x
  3. Step 3: Cross multiply
    15,792.70x = 23,657.85 × 8,007.10
  4. Step 4: Simplify right side
    15,792.70x = 189,430,770.74
  5. Step 5: Solve for x
    x = 189,430,770.74/15,792.70
  6. Step 6: Final answer
    x = 11,994.83

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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.