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Finding the Fourth Proportional to 5,063.20, 7,609.20 and 4,429.60

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Solution

The fourth proportional to 5,063.20, 7,609.20 and 4,429.60 is: 6,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.20 : 7,609.20 = 4,429.60 : x
  2. Step 2: Convert to fraction form
    5,063.20/7,609.20 = 4,429.60/x
  3. Step 3: Cross multiply
    5,063.20x = 7,609.20 × 4,429.60
  4. Step 4: Simplify right side
    5,063.20x = 33,705,712.32
  5. Step 5: Solve for x
    x = 33,705,712.32/5,063.20
  6. Step 6: Final answer
    x = 6,657.00

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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.