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Finding the Fourth Proportional to 7,653.13, 10,561.27 and 4,822.34

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Solution

The fourth proportional to 7,653.13, 10,561.27 and 4,822.34 is: 6,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.13 : 10,561.27 = 4,822.34 : x
  2. Step 2: Convert to fraction form
    7,653.13/10,561.27 = 4,822.34/x
  3. Step 3: Cross multiply
    7,653.13x = 10,561.27 × 4,822.34
  4. Step 4: Simplify right side
    7,653.13x = 50,929,999.30
  5. Step 5: Solve for x
    x = 50,929,999.30/7,653.13
  6. Step 6: Final answer
    x = 6,654.79

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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.