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Finding the Fourth Proportional to 65,806.41, 98,709.62 and 19,059.29

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Solution

The fourth proportional to 65,806.41, 98,709.62 and 19,059.29 is: 28,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,806.41 : 98,709.62 = 19,059.29 : x
  2. Step 2: Convert to fraction form
    65,806.41/98,709.62 = 19,059.29/x
  3. Step 3: Cross multiply
    65,806.41x = 98,709.62 × 19,059.29
  4. Step 4: Simplify right side
    65,806.41x = 1,881,334,684.53
  5. Step 5: Solve for x
    x = 1,881,334,684.53/65,806.41
  6. Step 6: Final answer
    x = 28,588.93

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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.