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Finding the Fourth Proportional to 8,973.54, 13,447.71 and 7,650.45

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Solution

The fourth proportional to 8,973.54, 13,447.71 and 7,650.45 is: 11,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.54 : 13,447.71 = 7,650.45 : x
  2. Step 2: Convert to fraction form
    8,973.54/13,447.71 = 7,650.45/x
  3. Step 3: Cross multiply
    8,973.54x = 13,447.71 × 7,650.45
  4. Step 4: Simplify right side
    8,973.54x = 102,881,032.97
  5. Step 5: Solve for x
    x = 102,881,032.97/8,973.54
  6. Step 6: Final answer
    x = 11,464.93

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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.