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Finding the Fourth Proportional to 61,399.66, 92,407.04 and 55,285.63

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Solution

The fourth proportional to 61,399.66, 92,407.04 and 55,285.63 is: 83,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,399.66 : 92,407.04 = 55,285.63 : x
  2. Step 2: Convert to fraction form
    61,399.66/92,407.04 = 55,285.63/x
  3. Step 3: Cross multiply
    61,399.66x = 92,407.04 × 55,285.63
  4. Step 4: Simplify right side
    61,399.66x = 5,108,781,422.84
  5. Step 5: Solve for x
    x = 5,108,781,422.84/61,399.66
  6. Step 6: Final answer
    x = 83,205.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.