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Finding the Fourth Proportional to 61,998.40, 85,553.58 and 33,703.48

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Solution

The fourth proportional to 61,998.40, 85,553.58 and 33,703.48 is: 46,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.40 : 85,553.58 = 33,703.48 : x
  2. Step 2: Convert to fraction form
    61,998.40/85,553.58 = 33,703.48/x
  3. Step 3: Cross multiply
    61,998.40x = 85,553.58 × 33,703.48
  4. Step 4: Simplify right side
    61,998.40x = 2,883,453,372.46
  5. Step 5: Solve for x
    x = 2,883,453,372.46/61,998.40
  6. Step 6: Final answer
    x = 46,508.51

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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.