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Finding the Fourth Proportional to 3,358.42, 5,032.76 and 1,894.45

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Solution

The fourth proportional to 3,358.42, 5,032.76 and 1,894.45 is: 2,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.42 : 5,032.76 = 1,894.45 : x
  2. Step 2: Convert to fraction form
    3,358.42/5,032.76 = 1,894.45/x
  3. Step 3: Cross multiply
    3,358.42x = 5,032.76 × 1,894.45
  4. Step 4: Simplify right side
    3,358.42x = 9,534,312.18
  5. Step 5: Solve for x
    x = 9,534,312.18/3,358.42
  6. Step 6: Final answer
    x = 2,838.93

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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.