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Finding the Fourth Proportional to 5,931.25, 8,896.86 and 2,646.63

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Solution

The fourth proportional to 5,931.25, 8,896.86 and 2,646.63 is: 3,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.25 : 8,896.86 = 2,646.63 : x
  2. Step 2: Convert to fraction form
    5,931.25/8,896.86 = 2,646.63/x
  3. Step 3: Cross multiply
    5,931.25x = 8,896.86 × 2,646.63
  4. Step 4: Simplify right side
    5,931.25x = 23,546,696.58
  5. Step 5: Solve for x
    x = 23,546,696.58/5,931.25
  6. Step 6: Final answer
    x = 3,969.94

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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.