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Finding the Fourth Proportional to 8,935.54, 13,381.35 and 7,365.94

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Solution

The fourth proportional to 8,935.54, 13,381.35 and 7,365.94 is: 11,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.54 : 13,381.35 = 7,365.94 : x
  2. Step 2: Convert to fraction form
    8,935.54/13,381.35 = 7,365.94/x
  3. Step 3: Cross multiply
    8,935.54x = 13,381.35 × 7,365.94
  4. Step 4: Simplify right side
    8,935.54x = 98,566,221.22
  5. Step 5: Solve for x
    x = 98,566,221.22/8,935.54
  6. Step 6: Final answer
    x = 11,030.81

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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.