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Finding the Fourth Proportional to 8,844.40, 13,266.60 and 4,470.40

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Solution

The fourth proportional to 8,844.40, 13,266.60 and 4,470.40 is: 6,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.40 : 13,266.60 = 4,470.40 : x
  2. Step 2: Convert to fraction form
    8,844.40/13,266.60 = 4,470.40/x
  3. Step 3: Cross multiply
    8,844.40x = 13,266.60 × 4,470.40
  4. Step 4: Simplify right side
    8,844.40x = 59,307,008.64
  5. Step 5: Solve for x
    x = 59,307,008.64/8,844.40
  6. Step 6: Final answer
    x = 6,705.60

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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.