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Finding the Fourth Proportional to 65,366.86, 98,038.50 and 17,335.78

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Solution

The fourth proportional to 65,366.86, 98,038.50 and 17,335.78 is: 26,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366.86 : 98,038.50 = 17,335.78 : x
  2. Step 2: Convert to fraction form
    65,366.86/98,038.50 = 17,335.78/x
  3. Step 3: Cross multiply
    65,366.86x = 98,038.50 × 17,335.78
  4. Step 4: Simplify right side
    65,366.86x = 1,699,573,867.53
  5. Step 5: Solve for x
    x = 1,699,573,867.53/65,366.86
  6. Step 6: Final answer
    x = 26,000.54

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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.