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Finding the Fourth Proportional to 3,527.60, 5,292.07 and 1,579.79

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Solution

The fourth proportional to 3,527.60, 5,292.07 and 1,579.79 is: 2,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.60 : 5,292.07 = 1,579.79 : x
  2. Step 2: Convert to fraction form
    3,527.60/5,292.07 = 1,579.79/x
  3. Step 3: Cross multiply
    3,527.60x = 5,292.07 × 1,579.79
  4. Step 4: Simplify right side
    3,527.60x = 8,360,368.55
  5. Step 5: Solve for x
    x = 8,360,368.55/3,527.60
  6. Step 6: Final answer
    x = 2,369.99

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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.