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Finding the Fourth Proportional to 9,352.89, 12,902.54 and 5,573.88

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Solution

The fourth proportional to 9,352.89, 12,902.54 and 5,573.88 is: 7,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.89 : 12,902.54 = 5,573.88 : x
  2. Step 2: Convert to fraction form
    9,352.89/12,902.54 = 5,573.88/x
  3. Step 3: Cross multiply
    9,352.89x = 12,902.54 × 5,573.88
  4. Step 4: Simplify right side
    9,352.89x = 71,917,181.79
  5. Step 5: Solve for x
    x = 71,917,181.79/9,352.89
  6. Step 6: Final answer
    x = 7,689.30

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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.