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Finding the Fourth Proportional to 34,792.80, 52,150.80 and 19,221.60

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Solution

The fourth proportional to 34,792.80, 52,150.80 and 19,221.60 is: 28,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,792.80 : 52,150.80 = 19,221.60 : x
  2. Step 2: Convert to fraction form
    34,792.80/52,150.80 = 19,221.60/x
  3. Step 3: Cross multiply
    34,792.80x = 52,150.80 × 19,221.60
  4. Step 4: Simplify right side
    34,792.80x = 1,002,421,817.28
  5. Step 5: Solve for x
    x = 1,002,421,817.28/34,792.80
  6. Step 6: Final answer
    x = 28,811.19

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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.