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Finding the Fourth Proportional to 4,043.40, 5,362.11 and 4,043.40

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Solution

The fourth proportional to 4,043.40, 5,362.11 and 4,043.40 is: 5,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.40 : 5,362.11 = 4,043.40 : x
  2. Step 2: Convert to fraction form
    4,043.40/5,362.11 = 4,043.40/x
  3. Step 3: Cross multiply
    4,043.40x = 5,362.11 × 4,043.40
  4. Step 4: Simplify right side
    4,043.40x = 21,681,155.57
  5. Step 5: Solve for x
    x = 21,681,155.57/4,043.40
  6. Step 6: Final answer
    x = 5,362.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.