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Finding the Fourth Proportional to 61,103.74, 91,655.74 and 16,730.94

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Solution

The fourth proportional to 61,103.74, 91,655.74 and 16,730.94 is: 25,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,103.74 : 91,655.74 = 16,730.94 : x
  2. Step 2: Convert to fraction form
    61,103.74/91,655.74 = 16,730.94/x
  3. Step 3: Cross multiply
    61,103.74x = 91,655.74 × 16,730.94
  4. Step 4: Simplify right side
    61,103.74x = 1,533,486,686.60
  5. Step 5: Solve for x
    x = 1,533,486,686.60/61,103.74
  6. Step 6: Final answer
    x = 25,096.45

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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.