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Finding the Fourth Proportional to 64,026.86, 95,980.75 and 28,469.48

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Solution

The fourth proportional to 64,026.86, 95,980.75 and 28,469.48 is: 42,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026.86 : 95,980.75 = 28,469.48 : x
  2. Step 2: Convert to fraction form
    64,026.86/95,980.75 = 28,469.48/x
  3. Step 3: Cross multiply
    64,026.86x = 95,980.75 × 28,469.48
  4. Step 4: Simplify right side
    64,026.86x = 2,732,521,491.43
  5. Step 5: Solve for x
    x = 2,732,521,491.43/64,026.86
  6. Step 6: Final answer
    x = 42,677.74

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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.