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Finding the Fourth Proportional to 30,532.97, 45,799.50 and 8,346.35

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Solution

The fourth proportional to 30,532.97, 45,799.50 and 8,346.35 is: 12,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.97 : 45,799.50 = 8,346.35 : x
  2. Step 2: Convert to fraction form
    30,532.97/45,799.50 = 8,346.35/x
  3. Step 3: Cross multiply
    30,532.97x = 45,799.50 × 8,346.35
  4. Step 4: Simplify right side
    30,532.97x = 382,258,656.83
  5. Step 5: Solve for x
    x = 382,258,656.83/30,532.97
  6. Step 6: Final answer
    x = 12,519.54

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Double scale
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Similar ratio
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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.