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Finding the Fourth Proportional to 5,830.80, 8,748.90 and 3,060.60

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Solution

The fourth proportional to 5,830.80, 8,748.90 and 3,060.60 is: 4,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.80 : 8,748.90 = 3,060.60 : x
  2. Step 2: Convert to fraction form
    5,830.80/8,748.90 = 3,060.60/x
  3. Step 3: Cross multiply
    5,830.80x = 8,748.90 × 3,060.60
  4. Step 4: Simplify right side
    5,830.80x = 26,776,883.34
  5. Step 5: Solve for x
    x = 26,776,883.34/5,830.80
  6. Step 6: Final answer
    x = 4,592.32

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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.