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Finding the Fourth Proportional to 64,188.95, 88,579.09 and 35,507.86

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Solution

The fourth proportional to 64,188.95, 88,579.09 and 35,507.86 is: 48,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,188.95 : 88,579.09 = 35,507.86 : x
  2. Step 2: Convert to fraction form
    64,188.95/88,579.09 = 35,507.86/x
  3. Step 3: Cross multiply
    64,188.95x = 88,579.09 × 35,507.86
  4. Step 4: Simplify right side
    64,188.95x = 3,145,253,616.43
  5. Step 5: Solve for x
    x = 3,145,253,616.43/64,188.95
  6. Step 6: Final answer
    x = 48,999.93

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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.