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Finding the Fourth Proportional to 61,755.55, 85,215.04 and 43,844.02

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Solution

The fourth proportional to 61,755.55, 85,215.04 and 43,844.02 is: 60,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755.55 : 85,215.04 = 43,844.02 : x
  2. Step 2: Convert to fraction form
    61,755.55/85,215.04 = 43,844.02/x
  3. Step 3: Cross multiply
    61,755.55x = 85,215.04 × 43,844.02
  4. Step 4: Simplify right side
    61,755.55x = 3,736,169,595.41
  5. Step 5: Solve for x
    x = 3,736,169,595.41/61,755.55
  6. Step 6: Final answer
    x = 60,499.34

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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.