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Finding the Fourth Proportional to 64,053.78, 96,080.31 and 21,934.23

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Solution

The fourth proportional to 64,053.78, 96,080.31 and 21,934.23 is: 32,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,053.78 : 96,080.31 = 21,934.23 : x
  2. Step 2: Convert to fraction form
    64,053.78/96,080.31 = 21,934.23/x
  3. Step 3: Cross multiply
    64,053.78x = 96,080.31 × 21,934.23
  4. Step 4: Simplify right side
    64,053.78x = 2,107,447,618.01
  5. Step 5: Solve for x
    x = 2,107,447,618.01/64,053.78
  6. Step 6: Final answer
    x = 32,901.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.