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Finding the Fourth Proportional to 55,558.33, 76,670.70 and 30,064.70

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Solution

The fourth proportional to 55,558.33, 76,670.70 and 30,064.70 is: 41,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.33 : 76,670.70 = 30,064.70 : x
  2. Step 2: Convert to fraction form
    55,558.33/76,670.70 = 30,064.70/x
  3. Step 3: Cross multiply
    55,558.33x = 76,670.70 × 30,064.70
  4. Step 4: Simplify right side
    55,558.33x = 2,305,081,594.29
  5. Step 5: Solve for x
    x = 2,305,081,594.29/55,558.33
  6. Step 6: Final answer
    x = 41,489.40

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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.