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Finding the Fourth Proportional to 8,901.84, 13,352.88 and 5,201.58

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Solution

The fourth proportional to 8,901.84, 13,352.88 and 5,201.58 is: 7,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.84 : 13,352.88 = 5,201.58 : x
  2. Step 2: Convert to fraction form
    8,901.84/13,352.88 = 5,201.58/x
  3. Step 3: Cross multiply
    8,901.84x = 13,352.88 × 5,201.58
  4. Step 4: Simplify right side
    8,901.84x = 69,456,073.55
  5. Step 5: Solve for x
    x = 69,456,073.55/8,901.84
  6. Step 6: Final answer
    x = 7,802.44

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1.5x scale

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.