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Finding the Fourth Proportional to 64,467.05, 88,963.13 and 35,785.05

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Solution

The fourth proportional to 64,467.05, 88,963.13 and 35,785.05 is: 49,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.05 : 88,963.13 = 35,785.05 : x
  2. Step 2: Convert to fraction form
    64,467.05/88,963.13 = 35,785.05/x
  3. Step 3: Cross multiply
    64,467.05x = 88,963.13 × 35,785.05
  4. Step 4: Simplify right side
    64,467.05x = 3,183,550,478.28
  5. Step 5: Solve for x
    x = 3,183,550,478.28/64,467.05
  6. Step 6: Final answer
    x = 49,382.60

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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.