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Finding the Fourth Proportional to 34,475.65, 47,574.79 and 19,161.49

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Solution

The fourth proportional to 34,475.65, 47,574.79 and 19,161.49 is: 26,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.65 : 47,574.79 = 19,161.49 : x
  2. Step 2: Convert to fraction form
    34,475.65/47,574.79 = 19,161.49/x
  3. Step 3: Cross multiply
    34,475.65x = 47,574.79 × 19,161.49
  4. Step 4: Simplify right side
    34,475.65x = 911,603,862.84
  5. Step 5: Solve for x
    x = 911,603,862.84/34,475.65
  6. Step 6: Final answer
    x = 26,441.96

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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.