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Finding the Fourth Proportional to 64,013.16, 96,034.68 and 21,893.57

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Solution

The fourth proportional to 64,013.16, 96,034.68 and 21,893.57 is: 32,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,013.16 : 96,034.68 = 21,893.57 : x
  2. Step 2: Convert to fraction form
    64,013.16/96,034.68 = 21,893.57/x
  3. Step 3: Cross multiply
    64,013.16x = 96,034.68 × 21,893.57
  4. Step 4: Simplify right side
    64,013.16x = 2,102,541,989.01
  5. Step 5: Solve for x
    x = 2,102,541,989.01/64,013.16
  6. Step 6: Final answer
    x = 32,845.46

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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.