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Finding the Fourth Proportional to 51,783.99, 77,611.05 and 22,167.06

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Solution

The fourth proportional to 51,783.99, 77,611.05 and 22,167.06 is: 33,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,783.99 : 77,611.05 = 22,167.06 : x
  2. Step 2: Convert to fraction form
    51,783.99/77,611.05 = 22,167.06/x
  3. Step 3: Cross multiply
    51,783.99x = 77,611.05 × 22,167.06
  4. Step 4: Simplify right side
    51,783.99x = 1,720,408,802.01
  5. Step 5: Solve for x
    x = 1,720,408,802.01/51,783.99
  6. Step 6: Final answer
    x = 33,222.79

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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.