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Finding the Fourth Proportional to 61,628.79, 92,445.49 and 17,254.40

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Solution

The fourth proportional to 61,628.79, 92,445.49 and 17,254.40 is: 25,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.79 : 92,445.49 = 17,254.40 : x
  2. Step 2: Convert to fraction form
    61,628.79/92,445.49 = 17,254.40/x
  3. Step 3: Cross multiply
    61,628.79x = 92,445.49 × 17,254.40
  4. Step 4: Simplify right side
    61,628.79x = 1,595,091,022.00
  5. Step 5: Solve for x
    x = 1,595,091,022.00/61,628.79
  6. Step 6: Final answer
    x = 25,882.24

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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.