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Finding the Fourth Proportional to 8,498.73, 12,741.08 and 3,751.51

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Solution

The fourth proportional to 8,498.73, 12,741.08 and 3,751.51 is: 5,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.73 : 12,741.08 = 3,751.51 : x
  2. Step 2: Convert to fraction form
    8,498.73/12,741.08 = 3,751.51/x
  3. Step 3: Cross multiply
    8,498.73x = 12,741.08 × 3,751.51
  4. Step 4: Simplify right side
    8,498.73x = 47,798,289.03
  5. Step 5: Solve for x
    x = 47,798,289.03/8,498.73
  6. Step 6: Final answer
    x = 5,624.17

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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.