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Finding the Fourth Proportional to 6,332.78, 9,499.17 and 1,715.78

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Solution

The fourth proportional to 6,332.78, 9,499.17 and 1,715.78 is: 2,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.78 : 9,499.17 = 1,715.78 : x
  2. Step 2: Convert to fraction form
    6,332.78/9,499.17 = 1,715.78/x
  3. Step 3: Cross multiply
    6,332.78x = 9,499.17 × 1,715.78
  4. Step 4: Simplify right side
    6,332.78x = 16,298,485.90
  5. Step 5: Solve for x
    x = 16,298,485.90/6,332.78
  6. Step 6: Final answer
    x = 2,573.67

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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.