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Finding the Fourth Proportional to 64,013.80, 96,035.64 and 21,894.22

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Solution

The fourth proportional to 64,013.80, 96,035.64 and 21,894.22 is: 32,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,013.80 : 96,035.64 = 21,894.22 : x
  2. Step 2: Convert to fraction form
    64,013.80/96,035.64 = 21,894.22/x
  3. Step 3: Cross multiply
    64,013.80x = 96,035.64 × 21,894.22
  4. Step 4: Simplify right side
    64,013.80x = 2,102,625,430.00
  5. Step 5: Solve for x
    x = 2,102,625,430.00/64,013.80
  6. Step 6: Final answer
    x = 32,846.44

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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.