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Finding the Fourth Proportional to 5,368.08, 8,043.47 and 2,904.06

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Solution

The fourth proportional to 5,368.08, 8,043.47 and 2,904.06 is: 4,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.08 : 8,043.47 = 2,904.06 : x
  2. Step 2: Convert to fraction form
    5,368.08/8,043.47 = 2,904.06/x
  3. Step 3: Cross multiply
    5,368.08x = 8,043.47 × 2,904.06
  4. Step 4: Simplify right side
    5,368.08x = 23,358,719.49
  5. Step 5: Solve for x
    x = 23,358,719.49/5,368.08
  6. Step 6: Final answer
    x = 4,351.41

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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.