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Finding the Fourth Proportional to 61,325.78, 91,999.60 and 16,951.55

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Solution

The fourth proportional to 61,325.78, 91,999.60 and 16,951.55 is: 25,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,325.78 : 91,999.60 = 16,951.55 : x
  2. Step 2: Convert to fraction form
    61,325.78/91,999.60 = 16,951.55/x
  3. Step 3: Cross multiply
    61,325.78x = 91,999.60 × 16,951.55
  4. Step 4: Simplify right side
    61,325.78x = 1,559,535,317.00
  5. Step 5: Solve for x
    x = 1,559,535,317.00/61,325.78
  6. Step 6: Final answer
    x = 25,430.34

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1.5x scale

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.