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Finding the Fourth Proportional to 39,055.70, 58,583.55 and 9,473.28

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Solution

The fourth proportional to 39,055.70, 58,583.55 and 9,473.28 is: 14,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.70 : 58,583.55 = 9,473.28 : x
  2. Step 2: Convert to fraction form
    39,055.70/58,583.55 = 9,473.28/x
  3. Step 3: Cross multiply
    39,055.70x = 58,583.55 × 9,473.28
  4. Step 4: Simplify right side
    39,055.70x = 554,978,372.54
  5. Step 5: Solve for x
    x = 554,978,372.54/39,055.70
  6. Step 6: Final answer
    x = 14,209.92

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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.