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Finding the Fourth Proportional to 2,015.93, 3,023.99 and 555.14

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Solution

The fourth proportional to 2,015.93, 3,023.99 and 555.14 is: 832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.93 : 3,023.99 = 555.14 : x
  2. Step 2: Convert to fraction form
    2,015.93/3,023.99 = 555.14/x
  3. Step 3: Cross multiply
    2,015.93x = 3,023.99 × 555.14
  4. Step 4: Simplify right side
    2,015.93x = 1,678,737.81
  5. Step 5: Solve for x
    x = 1,678,737.81/2,015.93
  6. Step 6: Final answer
    x = 832.74

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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.