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Finding the Fourth Proportional to 10,791.68, 14,894.08 and 10,124.56

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Solution

The fourth proportional to 10,791.68, 14,894.08 and 10,124.56 is: 13,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.68 : 14,894.08 = 10,124.56 : x
  2. Step 2: Convert to fraction form
    10,791.68/14,894.08 = 10,124.56/x
  3. Step 3: Cross multiply
    10,791.68x = 14,894.08 × 10,124.56
  4. Step 4: Simplify right side
    10,791.68x = 150,796,006.60
  5. Step 5: Solve for x
    x = 150,796,006.60/10,791.68
  6. Step 6: Final answer
    x = 13,973.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.