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Finding the Fourth Proportional to 10,603.96, 15,900.54 and 4,025.14

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Solution

The fourth proportional to 10,603.96, 15,900.54 and 4,025.14 is: 6,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.96 : 15,900.54 = 4,025.14 : x
  2. Step 2: Convert to fraction form
    10,603.96/15,900.54 = 4,025.14/x
  3. Step 3: Cross multiply
    10,603.96x = 15,900.54 × 4,025.14
  4. Step 4: Simplify right side
    10,603.96x = 64,001,899.58
  5. Step 5: Solve for x
    x = 64,001,899.58/10,603.96
  6. Step 6: Final answer
    x = 6,035.66

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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.