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Finding the Fourth Proportional to 61,328.65, 92,003.91 and 16,954.42

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Solution

The fourth proportional to 61,328.65, 92,003.91 and 16,954.42 is: 25,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328.65 : 92,003.91 = 16,954.42 : x
  2. Step 2: Convert to fraction form
    61,328.65/92,003.91 = 16,954.42/x
  3. Step 3: Cross multiply
    61,328.65x = 92,003.91 × 16,954.42
  4. Step 4: Simplify right side
    61,328.65x = 1,559,872,931.78
  5. Step 5: Solve for x
    x = 1,559,872,931.78/61,328.65
  6. Step 6: Final answer
    x = 25,434.65

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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.