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Finding the Fourth Proportional to 65,648.51, 98,485.03 and 26,205.96

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Solution

The fourth proportional to 65,648.51, 98,485.03 and 26,205.96 is: 39,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,648.51 : 98,485.03 = 26,205.96 : x
  2. Step 2: Convert to fraction form
    65,648.51/98,485.03 = 26,205.96/x
  3. Step 3: Cross multiply
    65,648.51x = 98,485.03 × 26,205.96
  4. Step 4: Simplify right side
    65,648.51x = 2,580,895,158.86
  5. Step 5: Solve for x
    x = 2,580,895,158.86/65,648.51
  6. Step 6: Final answer
    x = 39,313.84

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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.