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Finding the Fourth Proportional to 34,792.62, 48,019.95 and 20,653.26

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Solution

The fourth proportional to 34,792.62, 48,019.95 and 20,653.26 is: 28,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,792.62 : 48,019.95 = 20,653.26 : x
  2. Step 2: Convert to fraction form
    34,792.62/48,019.95 = 20,653.26/x
  3. Step 3: Cross multiply
    34,792.62x = 48,019.95 × 20,653.26
  4. Step 4: Simplify right side
    34,792.62x = 991,768,512.54
  5. Step 5: Solve for x
    x = 991,768,512.54/34,792.62
  6. Step 6: Final answer
    x = 28,505.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.