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Finding the Fourth Proportional to 10,469.62, 15,712.62 and 4,630.32

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Solution

The fourth proportional to 10,469.62, 15,712.62 and 4,630.32 is: 6,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.62 : 15,712.62 = 4,630.32 : x
  2. Step 2: Convert to fraction form
    10,469.62/15,712.62 = 4,630.32/x
  3. Step 3: Cross multiply
    10,469.62x = 15,712.62 × 4,630.32
  4. Step 4: Simplify right side
    10,469.62x = 72,754,458.64
  5. Step 5: Solve for x
    x = 72,754,458.64/10,469.62
  6. Step 6: Final answer
    x = 6,949.10

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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.