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Finding the Fourth Proportional to 6,347.13, 9,475.28 and 5,516.99

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Solution

The fourth proportional to 6,347.13, 9,475.28 and 5,516.99 is: 8,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.13 : 9,475.28 = 5,516.99 : x
  2. Step 2: Convert to fraction form
    6,347.13/9,475.28 = 5,516.99/x
  3. Step 3: Cross multiply
    6,347.13x = 9,475.28 × 5,516.99
  4. Step 4: Simplify right side
    6,347.13x = 52,274,950.05
  5. Step 5: Solve for x
    x = 52,274,950.05/6,347.13
  6. Step 6: Final answer
    x = 8,236.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.