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Finding the Fourth Proportional to 64,005.86, 88,327.44 and 35,325.78

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Solution

The fourth proportional to 64,005.86, 88,327.44 and 35,325.78 is: 48,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.86 : 88,327.44 = 35,325.78 : x
  2. Step 2: Convert to fraction form
    64,005.86/88,327.44 = 35,325.78/x
  3. Step 3: Cross multiply
    64,005.86x = 88,327.44 × 35,325.78
  4. Step 4: Simplify right side
    64,005.86x = 3,120,235,713.40
  5. Step 5: Solve for x
    x = 3,120,235,713.40/64,005.86
  6. Step 6: Final answer
    x = 48,749.22

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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.