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Finding the Fourth Proportional to 8,863.04, 13,266.48 and 4,955.60

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Solution

The fourth proportional to 8,863.04, 13,266.48 and 4,955.60 is: 7,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.04 : 13,266.48 = 4,955.60 : x
  2. Step 2: Convert to fraction form
    8,863.04/13,266.48 = 4,955.60/x
  3. Step 3: Cross multiply
    8,863.04x = 13,266.48 × 4,955.60
  4. Step 4: Simplify right side
    8,863.04x = 65,743,368.29
  5. Step 5: Solve for x
    x = 65,743,368.29/8,863.04
  6. Step 6: Final answer
    x = 7,417.70

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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.