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Finding the Fourth Proportional to 61,993.83, 92,999.51 and 19,864.07

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Solution

The fourth proportional to 61,993.83, 92,999.51 and 19,864.07 is: 29,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,993.83 : 92,999.51 = 19,864.07 : x
  2. Step 2: Convert to fraction form
    61,993.83/92,999.51 = 19,864.07/x
  3. Step 3: Cross multiply
    61,993.83x = 92,999.51 × 19,864.07
  4. Step 4: Simplify right side
    61,993.83x = 1,847,348,361.27
  5. Step 5: Solve for x
    x = 1,847,348,361.27/61,993.83
  6. Step 6: Final answer
    x = 29,798.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.