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Finding the Fourth Proportional to 8,844.80, 12,205.80 and 5,308.00

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Solution

The fourth proportional to 8,844.80, 12,205.80 and 5,308.00 is: 7,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.80 : 12,205.80 = 5,308.00 : x
  2. Step 2: Convert to fraction form
    8,844.80/12,205.80 = 5,308.00/x
  3. Step 3: Cross multiply
    8,844.80x = 12,205.80 × 5,308.00
  4. Step 4: Simplify right side
    8,844.80x = 64,788,355.89
  5. Step 5: Solve for x
    x = 64,788,355.89/8,844.80
  6. Step 6: Final answer
    x = 7,325.03

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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.