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Finding the Fourth Proportional to 10,795.70, 16,193.55 and 9,702.20

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Solution

The fourth proportional to 10,795.70, 16,193.55 and 9,702.20 is: 14,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.70 : 16,193.55 = 9,702.20 : x
  2. Step 2: Convert to fraction form
    10,795.70/16,193.55 = 9,702.20/x
  3. Step 3: Cross multiply
    10,795.70x = 16,193.55 × 9,702.20
  4. Step 4: Simplify right side
    10,795.70x = 157,113,060.81
  5. Step 5: Solve for x
    x = 157,113,060.81/10,795.70
  6. Step 6: Final answer
    x = 14,553.30

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1.5x scale

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.