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Finding the Fourth Proportional to 5,669.06, 8,503.11 and 1,970.66

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Solution

The fourth proportional to 5,669.06, 8,503.11 and 1,970.66 is: 2,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.06 : 8,503.11 = 1,970.66 : x
  2. Step 2: Convert to fraction form
    5,669.06/8,503.11 = 1,970.66/x
  3. Step 3: Cross multiply
    5,669.06x = 8,503.11 × 1,970.66
  4. Step 4: Simplify right side
    5,669.06x = 16,756,738.75
  5. Step 5: Solve for x
    x = 16,756,738.75/5,669.06
  6. Step 6: Final answer
    x = 2,955.82

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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.