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Finding the Fourth Proportional to 61,858.29, 85,359.24 and 36,365.49

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Solution

The fourth proportional to 61,858.29, 85,359.24 and 36,365.49 is: 50,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,858.29 : 85,359.24 = 36,365.49 : x
  2. Step 2: Convert to fraction form
    61,858.29/85,359.24 = 36,365.49/x
  3. Step 3: Cross multiply
    61,858.29x = 85,359.24 × 36,365.49
  4. Step 4: Simplify right side
    61,858.29x = 3,104,130,588.63
  5. Step 5: Solve for x
    x = 3,104,130,588.63/61,858.29
  6. Step 6: Final answer
    x = 50,181.32

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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.