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Finding the Fourth Proportional to 61,326.21, 84,622.59 and 35,489.19

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Solution

The fourth proportional to 61,326.21, 84,622.59 and 35,489.19 is: 48,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.21 : 84,622.59 = 35,489.19 : x
  2. Step 2: Convert to fraction form
    61,326.21/84,622.59 = 35,489.19/x
  3. Step 3: Cross multiply
    61,326.21x = 84,622.59 × 35,489.19
  4. Step 4: Simplify right side
    61,326.21x = 3,003,187,174.80
  5. Step 5: Solve for x
    x = 3,003,187,174.80/61,326.21
  6. Step 6: Final answer
    x = 48,970.70

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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.