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Finding the Fourth Proportional to 8,904.98, 13,352.54 and 3,643.69

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Solution

The fourth proportional to 8,904.98, 13,352.54 and 3,643.69 is: 5,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.98 : 13,352.54 = 3,643.69 : x
  2. Step 2: Convert to fraction form
    8,904.98/13,352.54 = 3,643.69/x
  3. Step 3: Cross multiply
    8,904.98x = 13,352.54 × 3,643.69
  4. Step 4: Simplify right side
    8,904.98x = 48,652,492.20
  5. Step 5: Solve for x
    x = 48,652,492.20/8,904.98
  6. Step 6: Final answer
    x = 5,463.51

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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.