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Finding the Fourth Proportional to 8,250.60, 11,385.42 and 4,713.60

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Solution

The fourth proportional to 8,250.60, 11,385.42 and 4,713.60 is: 6,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.60 : 11,385.42 = 4,713.60 : x
  2. Step 2: Convert to fraction form
    8,250.60/11,385.42 = 4,713.60/x
  3. Step 3: Cross multiply
    8,250.60x = 11,385.42 × 4,713.60
  4. Step 4: Simplify right side
    8,250.60x = 53,666,315.71
  5. Step 5: Solve for x
    x = 53,666,315.71/8,250.60
  6. Step 6: Final answer
    x = 6,504.53

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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.