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Finding the Fourth Proportional to 15,000.40, 22,473.60 and 8,755.30

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Solution

The fourth proportional to 15,000.40, 22,473.60 and 8,755.30 is: 13,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.40 : 22,473.60 = 8,755.30 : x
  2. Step 2: Convert to fraction form
    15,000.40/22,473.60 = 8,755.30/x
  3. Step 3: Cross multiply
    15,000.40x = 22,473.60 × 8,755.30
  4. Step 4: Simplify right side
    15,000.40x = 196,763,110.08
  5. Step 5: Solve for x
    x = 196,763,110.08/15,000.40
  6. Step 6: Final answer
    x = 13,117.19

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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.