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Finding the Fourth Proportional to 65,356.56, 98,020.26 and 25,903.08

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Solution

The fourth proportional to 65,356.56, 98,020.26 and 25,903.08 is: 38,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,356.56 : 98,020.26 = 25,903.08 : x
  2. Step 2: Convert to fraction form
    65,356.56/98,020.26 = 25,903.08/x
  3. Step 3: Cross multiply
    65,356.56x = 98,020.26 × 25,903.08
  4. Step 4: Simplify right side
    65,356.56x = 2,539,026,636.40
  5. Step 5: Solve for x
    x = 2,539,026,636.40/65,356.56
  6. Step 6: Final answer
    x = 38,848.84

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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.