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Finding the Fourth Proportional to 61,944, 85,499.60 and 36,458.54

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Solution

The fourth proportional to 61,944, 85,499.60 and 36,458.54 is: 50,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,944 : 85,499.60 = 36,458.54 : x
  2. Step 2: Convert to fraction form
    61,944/85,499.60 = 36,458.54/x
  3. Step 3: Cross multiply
    61,944x = 85,499.60 × 36,458.54
  4. Step 4: Simplify right side
    61,944x = 3,117,190,586.58
  5. Step 5: Solve for x
    x = 3,117,190,586.58/61,944
  6. Step 6: Final answer
    x = 50,322.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.