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Finding the Fourth Proportional to 34,340.58, 47,379.24 and 19,231.20

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Solution

The fourth proportional to 34,340.58, 47,379.24 and 19,231.20 is: 26,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,340.58 : 47,379.24 = 19,231.20 : x
  2. Step 2: Convert to fraction form
    34,340.58/47,379.24 = 19,231.20/x
  3. Step 3: Cross multiply
    34,340.58x = 47,379.24 × 19,231.20
  4. Step 4: Simplify right side
    34,340.58x = 911,159,640.29
  5. Step 5: Solve for x
    x = 911,159,640.29/34,340.58
  6. Step 6: Final answer
    x = 26,533.03

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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.