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Finding the Fourth Proportional to 64,395.32, 88,861.11 and 35,712.29

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Solution

The fourth proportional to 64,395.32, 88,861.11 and 35,712.29 is: 49,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,395.32 : 88,861.11 = 35,712.29 : x
  2. Step 2: Convert to fraction form
    64,395.32/88,861.11 = 35,712.29/x
  3. Step 3: Cross multiply
    64,395.32x = 88,861.11 × 35,712.29
  4. Step 4: Simplify right side
    64,395.32x = 3,173,433,507.05
  5. Step 5: Solve for x
    x = 3,173,433,507.05/64,395.32
  6. Step 6: Final answer
    x = 49,280.50

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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.