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Finding the Fourth Proportional to 61,672.64, 92,492.16 and 17,296.64

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Solution

The fourth proportional to 61,672.64, 92,492.16 and 17,296.64 is: 25,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,672.64 : 92,492.16 = 17,296.64 : x
  2. Step 2: Convert to fraction form
    61,672.64/92,492.16 = 17,296.64/x
  3. Step 3: Cross multiply
    61,672.64x = 92,492.16 × 17,296.64
  4. Step 4: Simplify right side
    61,672.64x = 1,599,803,594.34
  5. Step 5: Solve for x
    x = 1,599,803,594.34/61,672.64
  6. Step 6: Final answer
    x = 25,940.25

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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.