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Finding the Fourth Proportional to 13,700.53, 20,552.01 and 4,935.52

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Solution

The fourth proportional to 13,700.53, 20,552.01 and 4,935.52 is: 7,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.53 : 20,552.01 = 4,935.52 : x
  2. Step 2: Convert to fraction form
    13,700.53/20,552.01 = 4,935.52/x
  3. Step 3: Cross multiply
    13,700.53x = 20,552.01 × 4,935.52
  4. Step 4: Simplify right side
    13,700.53x = 101,434,856.40
  5. Step 5: Solve for x
    x = 101,434,856.40/13,700.53
  6. Step 6: Final answer
    x = 7,403.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.