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Finding the Fourth Proportional to 10,631.60, 15,954.60 and 6,244.40

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Solution

The fourth proportional to 10,631.60, 15,954.60 and 6,244.40 is: 9,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.60 : 15,954.60 = 6,244.40 : x
  2. Step 2: Convert to fraction form
    10,631.60/15,954.60 = 6,244.40/x
  3. Step 3: Cross multiply
    10,631.60x = 15,954.60 × 6,244.40
  4. Step 4: Simplify right side
    10,631.60x = 99,626,904.24
  5. Step 5: Solve for x
    x = 99,626,904.24/10,631.60
  6. Step 6: Final answer
    x = 9,370.83

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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.