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Finding the Fourth Proportional to 64,005.45, 88,226.89 and 43,827.40

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Solution

The fourth proportional to 64,005.45, 88,226.89 and 43,827.40 is: 60,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.45 : 88,226.89 = 43,827.40 : x
  2. Step 2: Convert to fraction form
    64,005.45/88,226.89 = 43,827.40/x
  3. Step 3: Cross multiply
    64,005.45x = 88,226.89 × 43,827.40
  4. Step 4: Simplify right side
    64,005.45x = 3,866,755,198.79
  5. Step 5: Solve for x
    x = 3,866,755,198.79/64,005.45
  6. Step 6: Final answer
    x = 60,412.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.