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Finding the Fourth Proportional to 56,659.80, 84,916.80 and 27,013.80

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Solution

The fourth proportional to 56,659.80, 84,916.80 and 27,013.80 is: 40,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.80 : 84,916.80 = 27,013.80 : x
  2. Step 2: Convert to fraction form
    56,659.80/84,916.80 = 27,013.80/x
  3. Step 3: Cross multiply
    56,659.80x = 84,916.80 × 27,013.80
  4. Step 4: Simplify right side
    56,659.80x = 2,293,925,451.84
  5. Step 5: Solve for x
    x = 2,293,925,451.84/56,659.80
  6. Step 6: Final answer
    x = 40,485.94

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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.