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Finding the Fourth Proportional to 2,892.40, 4,332.52 and 2,406.40

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Solution

The fourth proportional to 2,892.40, 4,332.52 and 2,406.40 is: 3,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.40 : 4,332.52 = 2,406.40 : x
  2. Step 2: Convert to fraction form
    2,892.40/4,332.52 = 2,406.40/x
  3. Step 3: Cross multiply
    2,892.40x = 4,332.52 × 2,406.40
  4. Step 4: Simplify right side
    2,892.40x = 10,425,776.13
  5. Step 5: Solve for x
    x = 10,425,776.13/2,892.40
  6. Step 6: Final answer
    x = 3,604.54

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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.