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Finding the Fourth Proportional to 64,467.51, 88,963.75 and 35,785.49

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Solution

The fourth proportional to 64,467.51, 88,963.75 and 35,785.49 is: 49,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.51 : 88,963.75 = 35,785.49 : x
  2. Step 2: Convert to fraction form
    64,467.51/88,963.75 = 35,785.49/x
  3. Step 3: Cross multiply
    64,467.51x = 88,963.75 × 35,785.49
  4. Step 4: Simplify right side
    64,467.51x = 3,183,611,385.99
  5. Step 5: Solve for x
    x = 3,183,611,385.99/64,467.51
  6. Step 6: Final answer
    x = 49,383.20

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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.