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Finding the Fourth Proportional to 64,507.80, 89,005.19 and 37,634.97

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Solution

The fourth proportional to 64,507.80, 89,005.19 and 37,634.97 is: 51,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,507.80 : 89,005.19 = 37,634.97 : x
  2. Step 2: Convert to fraction form
    64,507.80/89,005.19 = 37,634.97/x
  3. Step 3: Cross multiply
    64,507.80x = 89,005.19 × 37,634.97
  4. Step 4: Simplify right side
    64,507.80x = 3,349,707,467.32
  5. Step 5: Solve for x
    x = 3,349,707,467.32/64,507.80
  6. Step 6: Final answer
    x = 51,927.17

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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.