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Finding the Fourth Proportional to 35,366.87, 53,048.95 and 11,993.29

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Solution

The fourth proportional to 35,366.87, 53,048.95 and 11,993.29 is: 17,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,366.87 : 53,048.95 = 11,993.29 : x
  2. Step 2: Convert to fraction form
    35,366.87/53,048.95 = 11,993.29/x
  3. Step 3: Cross multiply
    35,366.87x = 53,048.95 × 11,993.29
  4. Step 4: Simplify right side
    35,366.87x = 636,231,441.55
  5. Step 5: Solve for x
    x = 636,231,441.55/35,366.87
  6. Step 6: Final answer
    x = 17,989.48

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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.