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Finding the Fourth Proportional to 13,792.77, 19,033.47 and 7,505.01

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Solution

The fourth proportional to 13,792.77, 19,033.47 and 7,505.01 is: 10,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.77 : 19,033.47 = 7,505.01 : x
  2. Step 2: Convert to fraction form
    13,792.77/19,033.47 = 7,505.01/x
  3. Step 3: Cross multiply
    13,792.77x = 19,033.47 × 7,505.01
  4. Step 4: Simplify right side
    13,792.77x = 142,846,382.68
  5. Step 5: Solve for x
    x = 142,846,382.68/13,792.77
  6. Step 6: Final answer
    x = 10,356.61

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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.