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Finding the Fourth Proportional to 61,955.28, 85,499.55 and 33,662.79

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Solution

The fourth proportional to 61,955.28, 85,499.55 and 33,662.79 is: 46,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,955.28 : 85,499.55 = 33,662.79 : x
  2. Step 2: Convert to fraction form
    61,955.28/85,499.55 = 33,662.79/x
  3. Step 3: Cross multiply
    61,955.28x = 85,499.55 × 33,662.79
  4. Step 4: Simplify right side
    61,955.28x = 2,878,153,396.74
  5. Step 5: Solve for x
    x = 2,878,153,396.74/61,955.28
  6. Step 6: Final answer
    x = 46,455.34

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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.