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Finding the Fourth Proportional to 51,562.41, 77,212.35 and 33,978.93

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Solution

The fourth proportional to 51,562.41, 77,212.35 and 33,978.93 is: 50,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,562.41 : 77,212.35 = 33,978.93 : x
  2. Step 2: Convert to fraction form
    51,562.41/77,212.35 = 33,978.93/x
  3. Step 3: Cross multiply
    51,562.41x = 77,212.35 × 33,978.93
  4. Step 4: Simplify right side
    51,562.41x = 2,623,593,035.79
  5. Step 5: Solve for x
    x = 2,623,593,035.79/51,562.41
  6. Step 6: Final answer
    x = 50,881.89

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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.