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Finding the Fourth Proportional to 64,190.95, 88,581.85 and 35,509.86

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Solution

The fourth proportional to 64,190.95, 88,581.85 and 35,509.86 is: 49,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,190.95 : 88,581.85 = 35,509.86 : x
  2. Step 2: Convert to fraction form
    64,190.95/88,581.85 = 35,509.86/x
  3. Step 3: Cross multiply
    64,190.95x = 88,581.85 × 35,509.86
  4. Step 4: Simplify right side
    64,190.95x = 3,145,529,092.04
  5. Step 5: Solve for x
    x = 3,145,529,092.04/64,190.95
  6. Step 6: Final answer
    x = 49,002.69

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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.