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Finding the Fourth Proportional to 21,546.98, 32,321.04 and 7,695.98

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Solution

The fourth proportional to 21,546.98, 32,321.04 and 7,695.98 is: 11,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.98 : 32,321.04 = 7,695.98 : x
  2. Step 2: Convert to fraction form
    21,546.98/32,321.04 = 7,695.98/x
  3. Step 3: Cross multiply
    21,546.98x = 32,321.04 × 7,695.98
  4. Step 4: Simplify right side
    21,546.98x = 248,742,077.42
  5. Step 5: Solve for x
    x = 248,742,077.42/21,546.98
  6. Step 6: Final answer
    x = 11,544.17

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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.