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Finding the Fourth Proportional to 13,792.22, 19,032.93 and 7,504.70

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Solution

The fourth proportional to 13,792.22, 19,032.93 and 7,504.70 is: 10,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.22 : 19,032.93 = 7,504.70 : x
  2. Step 2: Convert to fraction form
    13,792.22/19,032.93 = 7,504.70/x
  3. Step 3: Cross multiply
    13,792.22x = 19,032.93 × 7,504.70
  4. Step 4: Simplify right side
    13,792.22x = 142,836,429.77
  5. Step 5: Solve for x
    x = 142,836,429.77/13,792.22
  6. Step 6: Final answer
    x = 10,356.30

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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.