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Finding the Fourth Proportional to 30,007.52, 41,410.36 and 16,759.52

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Solution

The fourth proportional to 30,007.52, 41,410.36 and 16,759.52 is: 23,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.52 : 41,410.36 = 16,759.52 : x
  2. Step 2: Convert to fraction form
    30,007.52/41,410.36 = 16,759.52/x
  3. Step 3: Cross multiply
    30,007.52x = 41,410.36 × 16,759.52
  4. Step 4: Simplify right side
    30,007.52x = 694,017,756.63
  5. Step 5: Solve for x
    x = 694,017,756.63/30,007.52
  6. Step 6: Final answer
    x = 23,128.13

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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.