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Finding the Fourth Proportional to 55,587.70, 76,710.94 and 30,093.94

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Solution

The fourth proportional to 55,587.70, 76,710.94 and 30,093.94 is: 41,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.70 : 76,710.94 = 30,093.94 : x
  2. Step 2: Convert to fraction form
    55,587.70/76,710.94 = 30,093.94/x
  3. Step 3: Cross multiply
    55,587.70x = 76,710.94 × 30,093.94
  4. Step 4: Simplify right side
    55,587.70x = 2,308,534,425.70
  5. Step 5: Solve for x
    x = 2,308,534,425.70/55,587.70
  6. Step 6: Final answer
    x = 41,529.59

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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.