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Finding the Fourth Proportional to 6,395.40, 9,592.43 and 1,715.91

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Solution

The fourth proportional to 6,395.40, 9,592.43 and 1,715.91 is: 2,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.40 : 9,592.43 = 1,715.91 : x
  2. Step 2: Convert to fraction form
    6,395.40/9,592.43 = 1,715.91/x
  3. Step 3: Cross multiply
    6,395.40x = 9,592.43 × 1,715.91
  4. Step 4: Simplify right side
    6,395.40x = 16,459,750.85
  5. Step 5: Solve for x
    x = 16,459,750.85/6,395.40
  6. Step 6: Final answer
    x = 2,573.69

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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.