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Finding the Fourth Proportional to 61,799.94, 92,703.60 and 17,430.48

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Solution

The fourth proportional to 61,799.94, 92,703.60 and 17,430.48 is: 26,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,799.94 : 92,703.60 = 17,430.48 : x
  2. Step 2: Convert to fraction form
    61,799.94/92,703.60 = 17,430.48/x
  3. Step 3: Cross multiply
    61,799.94x = 92,703.60 × 17,430.48
  4. Step 4: Simplify right side
    61,799.94x = 1,615,868,245.73
  5. Step 5: Solve for x
    x = 1,615,868,245.73/61,799.94
  6. Step 6: Final answer
    x = 26,146.76

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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.