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Finding the Fourth Proportional to 61,666.60, 92,495.14 and 17,291

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Solution

The fourth proportional to 61,666.60, 92,495.14 and 17,291 is: 25,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.60 : 92,495.14 = 17,291 : x
  2. Step 2: Convert to fraction form
    61,666.60/92,495.14 = 17,291/x
  3. Step 3: Cross multiply
    61,666.60x = 92,495.14 × 17,291
  4. Step 4: Simplify right side
    61,666.60x = 1,599,333,465.74
  5. Step 5: Solve for x
    x = 1,599,333,465.74/61,666.60
  6. Step 6: Final answer
    x = 25,935.17

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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.