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Finding the Fourth Proportional to 8,904.55, 13,352.77 and 4,743.49

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Solution

The fourth proportional to 8,904.55, 13,352.77 and 4,743.49 is: 7,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.55 : 13,352.77 = 4,743.49 : x
  2. Step 2: Convert to fraction form
    8,904.55/13,352.77 = 4,743.49/x
  3. Step 3: Cross multiply
    8,904.55x = 13,352.77 × 4,743.49
  4. Step 4: Simplify right side
    8,904.55x = 63,338,730.97
  5. Step 5: Solve for x
    x = 63,338,730.97/8,904.55
  6. Step 6: Final answer
    x = 7,113.07

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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.