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Finding the Fourth Proportional to 61,998, 85,557.03 and 33,703.49

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Solution

The fourth proportional to 61,998, 85,557.03 and 33,703.49 is: 46,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998 : 85,557.03 = 33,703.49 : x
  2. Step 2: Convert to fraction form
    61,998/85,557.03 = 33,703.49/x
  3. Step 3: Cross multiply
    61,998x = 85,557.03 × 33,703.49
  4. Step 4: Simplify right side
    61,998x = 2,883,570,505.03
  5. Step 5: Solve for x
    x = 2,883,570,505.03/61,998
  6. Step 6: Final answer
    x = 46,510.70

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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.