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Finding the Fourth Proportional to 13,792.56, 19,033.16 and 7,504.94

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Solution

The fourth proportional to 13,792.56, 19,033.16 and 7,504.94 is: 10,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.56 : 19,033.16 = 7,504.94 : x
  2. Step 2: Convert to fraction form
    13,792.56/19,033.16 = 7,504.94/x
  3. Step 3: Cross multiply
    13,792.56x = 19,033.16 × 7,504.94
  4. Step 4: Simplify right side
    13,792.56x = 142,842,723.81
  5. Step 5: Solve for x
    x = 142,842,723.81/13,792.56
  6. Step 6: Final answer
    x = 10,356.51

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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.