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Finding the Fourth Proportional to 89,472.70, 134,208.71 and 22,912.74

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Solution

The fourth proportional to 89,472.70, 134,208.71 and 22,912.74 is: 34,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,472.70 : 134,208.71 = 22,912.74 : x
  2. Step 2: Convert to fraction form
    89,472.70/134,208.71 = 22,912.74/x
  3. Step 3: Cross multiply
    89,472.70x = 134,208.71 × 22,912.74
  4. Step 4: Simplify right side
    89,472.70x = 3,075,089,277.97
  5. Step 5: Solve for x
    x = 3,075,089,277.97/89,472.70
  6. Step 6: Final answer
    x = 34,369.02

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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.