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Finding the Fourth Proportional to 9,655.56, 14,468.22 and 7,707.24

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Solution

The fourth proportional to 9,655.56, 14,468.22 and 7,707.24 is: 11,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.56 : 14,468.22 = 7,707.24 : x
  2. Step 2: Convert to fraction form
    9,655.56/14,468.22 = 7,707.24/x
  3. Step 3: Cross multiply
    9,655.56x = 14,468.22 × 7,707.24
  4. Step 4: Simplify right side
    9,655.56x = 111,510,043.91
  5. Step 5: Solve for x
    x = 111,510,043.91/9,655.56
  6. Step 6: Final answer
    x = 11,548.79

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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.