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Finding the Fourth Proportional to 8,256.33, 11,394 and 4,719.60

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Solution

The fourth proportional to 8,256.33, 11,394 and 4,719.60 is: 6,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.33 : 11,394 = 4,719.60 : x
  2. Step 2: Convert to fraction form
    8,256.33/11,394 = 4,719.60/x
  3. Step 3: Cross multiply
    8,256.33x = 11,394 × 4,719.60
  4. Step 4: Simplify right side
    8,256.33x = 53,775,122.40
  5. Step 5: Solve for x
    x = 53,775,122.40/8,256.33
  6. Step 6: Final answer
    x = 6,513.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.