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Finding the Fourth Proportional to 6,153.53, 8,494.62 and 4,170.11

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Solution

The fourth proportional to 6,153.53, 8,494.62 and 4,170.11 is: 5,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.53 : 8,494.62 = 4,170.11 : x
  2. Step 2: Convert to fraction form
    6,153.53/8,494.62 = 4,170.11/x
  3. Step 3: Cross multiply
    6,153.53x = 8,494.62 × 4,170.11
  4. Step 4: Simplify right side
    6,153.53x = 35,423,499.81
  5. Step 5: Solve for x
    x = 35,423,499.81/6,153.53
  6. Step 6: Final answer
    x = 5,756.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.