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Finding the Fourth Proportional to 21,885.09, 32,825.55 and 7,094.12

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Solution

The fourth proportional to 21,885.09, 32,825.55 and 7,094.12 is: 10,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.09 : 32,825.55 = 7,094.12 : x
  2. Step 2: Convert to fraction form
    21,885.09/32,825.55 = 7,094.12/x
  3. Step 3: Cross multiply
    21,885.09x = 32,825.55 × 7,094.12
  4. Step 4: Simplify right side
    21,885.09x = 232,868,253.24
  5. Step 5: Solve for x
    x = 232,868,253.24/21,885.09
  6. Step 6: Final answer
    x = 10,640.50

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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.