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Finding the Fourth Proportional to 8,824.95, 13,237.44 and 3,894.60

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Solution

The fourth proportional to 8,824.95, 13,237.44 and 3,894.60 is: 5,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.95 : 13,237.44 = 3,894.60 : x
  2. Step 2: Convert to fraction form
    8,824.95/13,237.44 = 3,894.60/x
  3. Step 3: Cross multiply
    8,824.95x = 13,237.44 × 3,894.60
  4. Step 4: Simplify right side
    8,824.95x = 51,554,533.82
  5. Step 5: Solve for x
    x = 51,554,533.82/8,824.95
  6. Step 6: Final answer
    x = 5,841.91

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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.