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Finding the Fourth Proportional to 9,938.93, 14,908.80 and 3,700.52

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Solution

The fourth proportional to 9,938.93, 14,908.80 and 3,700.52 is: 5,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.93 : 14,908.80 = 3,700.52 : x
  2. Step 2: Convert to fraction form
    9,938.93/14,908.80 = 3,700.52/x
  3. Step 3: Cross multiply
    9,938.93x = 14,908.80 × 3,700.52
  4. Step 4: Simplify right side
    9,938.93x = 55,170,238.03
  5. Step 5: Solve for x
    x = 55,170,238.03/9,938.93
  6. Step 6: Final answer
    x = 5,550.92

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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.