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Finding the Fourth Proportional to 64,558.25, 96,842.95 and 17,811.12

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Solution

The fourth proportional to 64,558.25, 96,842.95 and 17,811.12 is: 26,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558.25 : 96,842.95 = 17,811.12 : x
  2. Step 2: Convert to fraction form
    64,558.25/96,842.95 = 17,811.12/x
  3. Step 3: Cross multiply
    64,558.25x = 96,842.95 × 17,811.12
  4. Step 4: Simplify right side
    64,558.25x = 1,724,881,403.60
  5. Step 5: Solve for x
    x = 1,724,881,403.60/64,558.25
  6. Step 6: Final answer
    x = 26,718.22

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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.