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Finding the Fourth Proportional to 9,765.52, 13,476.08 and 5,573.60

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Solution

The fourth proportional to 9,765.52, 13,476.08 and 5,573.60 is: 7,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.52 : 13,476.08 = 5,573.60 : x
  2. Step 2: Convert to fraction form
    9,765.52/13,476.08 = 5,573.60/x
  3. Step 3: Cross multiply
    9,765.52x = 13,476.08 × 5,573.60
  4. Step 4: Simplify right side
    9,765.52x = 75,110,279.49
  5. Step 5: Solve for x
    x = 75,110,279.49/9,765.52
  6. Step 6: Final answer
    x = 7,691.38

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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.