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Finding the Fourth Proportional to 8,764.19, 12,073.41 and 7,501.20

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Solution

The fourth proportional to 8,764.19, 12,073.41 and 7,501.20 is: 10,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.19 : 12,073.41 = 7,501.20 : x
  2. Step 2: Convert to fraction form
    8,764.19/12,073.41 = 7,501.20/x
  3. Step 3: Cross multiply
    8,764.19x = 12,073.41 × 7,501.20
  4. Step 4: Simplify right side
    8,764.19x = 90,565,063.09
  5. Step 5: Solve for x
    x = 90,565,063.09/8,764.19
  6. Step 6: Final answer
    x = 10,333.54

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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.