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Finding the Fourth Proportional to 64,393.48, 88,864.86 and 36,099.64

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Solution

The fourth proportional to 64,393.48, 88,864.86 and 36,099.64 is: 49,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.48 : 88,864.86 = 36,099.64 : x
  2. Step 2: Convert to fraction form
    64,393.48/88,864.86 = 36,099.64/x
  3. Step 3: Cross multiply
    64,393.48x = 88,864.86 × 36,099.64
  4. Step 4: Simplify right side
    64,393.48x = 3,207,989,454.65
  5. Step 5: Solve for x
    x = 3,207,989,454.65/64,393.48
  6. Step 6: Final answer
    x = 49,818.54

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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.