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Finding the Fourth Proportional to 64,112.64, 96,160.02 and 21,992.04

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Solution

The fourth proportional to 64,112.64, 96,160.02 and 21,992.04 is: 32,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.64 : 96,160.02 = 21,992.04 : x
  2. Step 2: Convert to fraction form
    64,112.64/96,160.02 = 21,992.04/x
  3. Step 3: Cross multiply
    64,112.64x = 96,160.02 × 21,992.04
  4. Step 4: Simplify right side
    64,112.64x = 2,114,755,006.24
  5. Step 5: Solve for x
    x = 2,114,755,006.24/64,112.64
  6. Step 6: Final answer
    x = 32,984.99

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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.