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Finding the Fourth Proportional to 61,945.58, 85,477.64 and 36,446.34

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Solution

The fourth proportional to 61,945.58, 85,477.64 and 36,446.34 is: 50,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945.58 : 85,477.64 = 36,446.34 : x
  2. Step 2: Convert to fraction form
    61,945.58/85,477.64 = 36,446.34/x
  3. Step 3: Cross multiply
    61,945.58x = 85,477.64 × 36,446.34
  4. Step 4: Simplify right side
    61,945.58x = 3,115,346,947.61
  5. Step 5: Solve for x
    x = 3,115,346,947.61/61,945.58
  6. Step 6: Final answer
    x = 50,291.68

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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.