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Finding the Fourth Proportional to 10,841.80, 16,230.30 and 9,675.40

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Solution

The fourth proportional to 10,841.80, 16,230.30 and 9,675.40 is: 14,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,841.80 : 16,230.30 = 9,675.40 : x
  2. Step 2: Convert to fraction form
    10,841.80/16,230.30 = 9,675.40/x
  3. Step 3: Cross multiply
    10,841.80x = 16,230.30 × 9,675.40
  4. Step 4: Simplify right side
    10,841.80x = 157,034,644.62
  5. Step 5: Solve for x
    x = 157,034,644.62/10,841.80
  6. Step 6: Final answer
    x = 14,484.19

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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.