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Finding the Fourth Proportional to 7,032.71, 10,550.74 and 3,745.12

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Solution

The fourth proportional to 7,032.71, 10,550.74 and 3,745.12 is: 5,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.71 : 10,550.74 = 3,745.12 : x
  2. Step 2: Convert to fraction form
    7,032.71/10,550.74 = 3,745.12/x
  3. Step 3: Cross multiply
    7,032.71x = 10,550.74 × 3,745.12
  4. Step 4: Simplify right side
    7,032.71x = 39,513,787.39
  5. Step 5: Solve for x
    x = 39,513,787.39/7,032.71
  6. Step 6: Final answer
    x = 5,618.57

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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.