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Finding the Fourth Proportional to 19,792.68, 29,693.34 and 5,752.86

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Solution

The fourth proportional to 19,792.68, 29,693.34 and 5,752.86 is: 8,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.68 : 29,693.34 = 5,752.86 : x
  2. Step 2: Convert to fraction form
    19,792.68/29,693.34 = 5,752.86/x
  3. Step 3: Cross multiply
    19,792.68x = 29,693.34 × 5,752.86
  4. Step 4: Simplify right side
    19,792.68x = 170,821,627.95
  5. Step 5: Solve for x
    x = 170,821,627.95/19,792.68
  6. Step 6: Final answer
    x = 8,630.55

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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.