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Finding the Fourth Proportional to 5,795.70, 8,688.15 and 4,040.70

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Solution

The fourth proportional to 5,795.70, 8,688.15 and 4,040.70 is: 6,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.70 : 8,688.15 = 4,040.70 : x
  2. Step 2: Convert to fraction form
    5,795.70/8,688.15 = 4,040.70/x
  3. Step 3: Cross multiply
    5,795.70x = 8,688.15 × 4,040.70
  4. Step 4: Simplify right side
    5,795.70x = 35,106,207.71
  5. Step 5: Solve for x
    x = 35,106,207.71/5,795.70
  6. Step 6: Final answer
    x = 6,057.29

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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.