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Finding the Fourth Proportional to 4,353.72, 6,530.53 and 1,066.85

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Solution

The fourth proportional to 4,353.72, 6,530.53 and 1,066.85 is: 1,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.72 : 6,530.53 = 1,066.85 : x
  2. Step 2: Convert to fraction form
    4,353.72/6,530.53 = 1,066.85/x
  3. Step 3: Cross multiply
    4,353.72x = 6,530.53 × 1,066.85
  4. Step 4: Simplify right side
    4,353.72x = 6,967,069.48
  5. Step 5: Solve for x
    x = 6,967,069.48/4,353.72
  6. Step 6: Final answer
    x = 1,600.25

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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.