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Finding the Fourth Proportional to 8,841.18, 12,202.98 and 5,303.64

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Solution

The fourth proportional to 8,841.18, 12,202.98 and 5,303.64 is: 7,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.18 : 12,202.98 = 5,303.64 : x
  2. Step 2: Convert to fraction form
    8,841.18/12,202.98 = 5,303.64/x
  3. Step 3: Cross multiply
    8,841.18x = 12,202.98 × 5,303.64
  4. Step 4: Simplify right side
    8,841.18x = 64,720,212.85
  5. Step 5: Solve for x
    x = 64,720,212.85/8,841.18
  6. Step 6: Final answer
    x = 7,320.31

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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.