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Finding the Fourth Proportional to 9,902.88, 14,854.32 and 4,055.49

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Solution

The fourth proportional to 9,902.88, 14,854.32 and 4,055.49 is: 6,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.88 : 14,854.32 = 4,055.49 : x
  2. Step 2: Convert to fraction form
    9,902.88/14,854.32 = 4,055.49/x
  3. Step 3: Cross multiply
    9,902.88x = 14,854.32 × 4,055.49
  4. Step 4: Simplify right side
    9,902.88x = 60,241,546.22
  5. Step 5: Solve for x
    x = 60,241,546.22/9,902.88
  6. Step 6: Final answer
    x = 6,083.24

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Similar ratio
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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.