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Finding the Fourth Proportional to 19,435.24, 29,152.86 and 5,584.24

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Solution

The fourth proportional to 19,435.24, 29,152.86 and 5,584.24 is: 8,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.24 : 29,152.86 = 5,584.24 : x
  2. Step 2: Convert to fraction form
    19,435.24/29,152.86 = 5,584.24/x
  3. Step 3: Cross multiply
    19,435.24x = 29,152.86 × 5,584.24
  4. Step 4: Simplify right side
    19,435.24x = 162,796,566.93
  5. Step 5: Solve for x
    x = 162,796,566.93/19,435.24
  6. Step 6: Final answer
    x = 8,376.36

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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.