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Finding the Fourth Proportional to 5,737.18, 7,903.68 and 5,392.66

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Solution

The fourth proportional to 5,737.18, 7,903.68 and 5,392.66 is: 7,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.18 : 7,903.68 = 5,392.66 : x
  2. Step 2: Convert to fraction form
    5,737.18/7,903.68 = 5,392.66/x
  3. Step 3: Cross multiply
    5,737.18x = 7,903.68 × 5,392.66
  4. Step 4: Simplify right side
    5,737.18x = 42,621,858.99
  5. Step 5: Solve for x
    x = 42,621,858.99/5,737.18
  6. Step 6: Final answer
    x = 7,429.06

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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.