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Finding the Fourth Proportional to 8,563.02, 12,849.93 and 3,368.22

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Solution

The fourth proportional to 8,563.02, 12,849.93 and 3,368.22 is: 5,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.02 : 12,849.93 = 3,368.22 : x
  2. Step 2: Convert to fraction form
    8,563.02/12,849.93 = 3,368.22/x
  3. Step 3: Cross multiply
    8,563.02x = 12,849.93 × 3,368.22
  4. Step 4: Simplify right side
    8,563.02x = 43,281,391.22
  5. Step 5: Solve for x
    x = 43,281,391.22/8,563.02
  6. Step 6: Final answer
    x = 5,054.45

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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.