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Finding the Fourth Proportional to 19,593.01, 29,393.94 and 7,113

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Solution

The fourth proportional to 19,593.01, 29,393.94 and 7,113 is: 10,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.01 : 29,393.94 = 7,113 : x
  2. Step 2: Convert to fraction form
    19,593.01/29,393.94 = 7,113/x
  3. Step 3: Cross multiply
    19,593.01x = 29,393.94 × 7,113
  4. Step 4: Simplify right side
    19,593.01x = 209,079,095.22
  5. Step 5: Solve for x
    x = 209,079,095.22/19,593.01
  6. Step 6: Final answer
    x = 10,671.11

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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.