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Finding the Fourth Proportional to 5,929.80, 8,883.90 and 4,828.20

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Solution

The fourth proportional to 5,929.80, 8,883.90 and 4,828.20 is: 7,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.80 : 8,883.90 = 4,828.20 : x
  2. Step 2: Convert to fraction form
    5,929.80/8,883.90 = 4,828.20/x
  3. Step 3: Cross multiply
    5,929.80x = 8,883.90 × 4,828.20
  4. Step 4: Simplify right side
    5,929.80x = 42,893,245.98
  5. Step 5: Solve for x
    x = 42,893,245.98/5,929.80
  6. Step 6: Final answer
    x = 7,233.51

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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.