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Finding the Fourth Proportional to 8,892.30, 13,340.06 and 3,047.60

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Solution

The fourth proportional to 8,892.30, 13,340.06 and 3,047.60 is: 4,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.30 : 13,340.06 = 3,047.60 : x
  2. Step 2: Convert to fraction form
    8,892.30/13,340.06 = 3,047.60/x
  3. Step 3: Cross multiply
    8,892.30x = 13,340.06 × 3,047.60
  4. Step 4: Simplify right side
    8,892.30x = 40,655,166.86
  5. Step 5: Solve for x
    x = 40,655,166.86/8,892.30
  6. Step 6: Final answer
    x = 4,571.95

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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.