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Finding the Fourth Proportional to 5,357.32, 7,395.96 and 4,935.76

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Solution

The fourth proportional to 5,357.32, 7,395.96 and 4,935.76 is: 6,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.32 : 7,395.96 = 4,935.76 : x
  2. Step 2: Convert to fraction form
    5,357.32/7,395.96 = 4,935.76/x
  3. Step 3: Cross multiply
    5,357.32x = 7,395.96 × 4,935.76
  4. Step 4: Simplify right side
    5,357.32x = 36,504,683.53
  5. Step 5: Solve for x
    x = 36,504,683.53/5,357.32
  6. Step 6: Final answer
    x = 6,813.98

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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.