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Finding the Fourth Proportional to 64,943.94, 97,412.22 and 17,558.34

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Solution

The fourth proportional to 64,943.94, 97,412.22 and 17,558.34 is: 26,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.94 : 97,412.22 = 17,558.34 : x
  2. Step 2: Convert to fraction form
    64,943.94/97,412.22 = 17,558.34/x
  3. Step 3: Cross multiply
    64,943.94x = 97,412.22 × 17,558.34
  4. Step 4: Simplify right side
    64,943.94x = 1,710,396,878.91
  5. Step 5: Solve for x
    x = 1,710,396,878.91/64,943.94
  6. Step 6: Final answer
    x = 26,336.51

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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.