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Finding the Fourth Proportional to 10,793.47, 14,787.11 and 10,388.98

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Solution

The fourth proportional to 10,793.47, 14,787.11 and 10,388.98 is: 14,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.47 : 14,787.11 = 10,388.98 : x
  2. Step 2: Convert to fraction form
    10,793.47/14,787.11 = 10,388.98/x
  3. Step 3: Cross multiply
    10,793.47x = 14,787.11 × 10,388.98
  4. Step 4: Simplify right side
    10,793.47x = 153,623,011.47
  5. Step 5: Solve for x
    x = 153,623,011.47/10,793.47
  6. Step 6: Final answer
    x = 14,232.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.