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Finding the Fourth Proportional to 5,606.56, 7,737.08 and 3,216.40

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Solution

The fourth proportional to 5,606.56, 7,737.08 and 3,216.40 is: 4,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.56 : 7,737.08 = 3,216.40 : x
  2. Step 2: Convert to fraction form
    5,606.56/7,737.08 = 3,216.40/x
  3. Step 3: Cross multiply
    5,606.56x = 7,737.08 × 3,216.40
  4. Step 4: Simplify right side
    5,606.56x = 24,885,544.11
  5. Step 5: Solve for x
    x = 24,885,544.11/5,606.56
  6. Step 6: Final answer
    x = 4,438.65

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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.