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Finding the Fourth Proportional to 6,475.04, 8,916.24 and 6,329.76

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Solution

The fourth proportional to 6,475.04, 8,916.24 and 6,329.76 is: 8,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.04 : 8,916.24 = 6,329.76 : x
  2. Step 2: Convert to fraction form
    6,475.04/8,916.24 = 6,329.76/x
  3. Step 3: Cross multiply
    6,475.04x = 8,916.24 × 6,329.76
  4. Step 4: Simplify right side
    6,475.04x = 56,437,659.30
  5. Step 5: Solve for x
    x = 56,437,659.30/6,475.04
  6. Step 6: Final answer
    x = 8,716.19

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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.