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Finding the Fourth Proportional to 61,945.66, 85,477.76 and 36,446.42

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Solution

The fourth proportional to 61,945.66, 85,477.76 and 36,446.42 is: 50,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945.66 : 85,477.76 = 36,446.42 : x
  2. Step 2: Convert to fraction form
    61,945.66/85,477.76 = 36,446.42/x
  3. Step 3: Cross multiply
    61,945.66x = 85,477.76 × 36,446.42
  4. Step 4: Simplify right side
    61,945.66x = 3,115,358,509.76
  5. Step 5: Solve for x
    x = 3,115,358,509.76/61,945.66
  6. Step 6: Final answer
    x = 50,291.80

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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.