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Finding the Fourth Proportional to 13,797.84, 20,699.81 and 5,032.72

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Solution

The fourth proportional to 13,797.84, 20,699.81 and 5,032.72 is: 7,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.84 : 20,699.81 = 5,032.72 : x
  2. Step 2: Convert to fraction form
    13,797.84/20,699.81 = 5,032.72/x
  3. Step 3: Cross multiply
    13,797.84x = 20,699.81 × 5,032.72
  4. Step 4: Simplify right side
    13,797.84x = 104,176,322.62
  5. Step 5: Solve for x
    x = 104,176,322.62/13,797.84
  6. Step 6: Final answer
    x = 7,550.19

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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.