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Finding the Fourth Proportional to 8,764.03, 13,135.10 and 4,382.74

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Solution

The fourth proportional to 8,764.03, 13,135.10 and 4,382.74 is: 6,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.03 : 13,135.10 = 4,382.74 : x
  2. Step 2: Convert to fraction form
    8,764.03/13,135.10 = 4,382.74/x
  3. Step 3: Cross multiply
    8,764.03x = 13,135.10 × 4,382.74
  4. Step 4: Simplify right side
    8,764.03x = 57,567,728.17
  5. Step 5: Solve for x
    x = 57,567,728.17/8,764.03
  6. Step 6: Final answer
    x = 6,568.64

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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.