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Finding the Fourth Proportional to 61,803.96, 92,709.60 and 17,434.48

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Solution

The fourth proportional to 61,803.96, 92,709.60 and 17,434.48 is: 26,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.96 : 92,709.60 = 17,434.48 : x
  2. Step 2: Convert to fraction form
    61,803.96/92,709.60 = 17,434.48/x
  3. Step 3: Cross multiply
    61,803.96x = 92,709.60 × 17,434.48
  4. Step 4: Simplify right side
    61,803.96x = 1,616,343,667.01
  5. Step 5: Solve for x
    x = 1,616,343,667.01/61,803.96
  6. Step 6: Final answer
    x = 26,152.75

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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.