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Finding the Fourth Proportional to 10,388.86, 15,588.95 and 6,014.86

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Solution

The fourth proportional to 10,388.86, 15,588.95 and 6,014.86 is: 9,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.86 : 15,588.95 = 6,014.86 : x
  2. Step 2: Convert to fraction form
    10,388.86/15,588.95 = 6,014.86/x
  3. Step 3: Cross multiply
    10,388.86x = 15,588.95 × 6,014.86
  4. Step 4: Simplify right side
    10,388.86x = 93,765,288.89
  5. Step 5: Solve for x
    x = 93,765,288.89/10,388.86
  6. Step 6: Final answer
    x = 9,025.57

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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.