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Finding the Fourth Proportional to 61,460.79, 92,180.40 and 17,091

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Solution

The fourth proportional to 61,460.79, 92,180.40 and 17,091 is: 25,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,460.79 : 92,180.40 = 17,091 : x
  2. Step 2: Convert to fraction form
    61,460.79/92,180.40 = 17,091/x
  3. Step 3: Cross multiply
    61,460.79x = 92,180.40 × 17,091
  4. Step 4: Simplify right side
    61,460.79x = 1,575,455,216.40
  5. Step 5: Solve for x
    x = 1,575,455,216.40/61,460.79
  6. Step 6: Final answer
    x = 25,633.50

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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.