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Finding the Fourth Proportional to 64,138.84, 96,238.98 and 22,605.40

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Solution

The fourth proportional to 64,138.84, 96,238.98 and 22,605.40 is: 33,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.84 : 96,238.98 = 22,605.40 : x
  2. Step 2: Convert to fraction form
    64,138.84/96,238.98 = 22,605.40/x
  3. Step 3: Cross multiply
    64,138.84x = 96,238.98 × 22,605.40
  4. Step 4: Simplify right side
    64,138.84x = 2,175,520,638.49
  5. Step 5: Solve for x
    x = 2,175,520,638.49/64,138.84
  6. Step 6: Final answer
    x = 33,918.93

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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.