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Finding the Fourth Proportional to 61,728.83, 92,598.71 and 17,355.97

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Solution

The fourth proportional to 61,728.83, 92,598.71 and 17,355.97 is: 26,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.83 : 92,598.71 = 17,355.97 : x
  2. Step 2: Convert to fraction form
    61,728.83/92,598.71 = 17,355.97/x
  3. Step 3: Cross multiply
    61,728.83x = 92,598.71 × 17,355.97
  4. Step 4: Simplify right side
    61,728.83x = 1,607,140,277.23
  5. Step 5: Solve for x
    x = 1,607,140,277.23/61,728.83
  6. Step 6: Final answer
    x = 26,035.49

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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.