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Finding the Fourth Proportional to 8,703.18, 13,057.98 and 4,025.46

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Solution

The fourth proportional to 8,703.18, 13,057.98 and 4,025.46 is: 6,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.18 : 13,057.98 = 4,025.46 : x
  2. Step 2: Convert to fraction form
    8,703.18/13,057.98 = 4,025.46/x
  3. Step 3: Cross multiply
    8,703.18x = 13,057.98 × 4,025.46
  4. Step 4: Simplify right side
    8,703.18x = 52,564,376.17
  5. Step 5: Solve for x
    x = 52,564,376.17/8,703.18
  6. Step 6: Final answer
    x = 6,039.67

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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.