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Finding the Fourth Proportional to 5,866.44, 8,799.60 and 1,970.76

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Solution

The fourth proportional to 5,866.44, 8,799.60 and 1,970.76 is: 2,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.44 : 8,799.60 = 1,970.76 : x
  2. Step 2: Convert to fraction form
    5,866.44/8,799.60 = 1,970.76/x
  3. Step 3: Cross multiply
    5,866.44x = 8,799.60 × 1,970.76
  4. Step 4: Simplify right side
    5,866.44x = 17,341,899.70
  5. Step 5: Solve for x
    x = 17,341,899.70/5,866.44
  6. Step 6: Final answer
    x = 2,956.12

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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.