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Finding the Fourth Proportional to 34,415.84, 51,623.63 and 19,416.15

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Solution

The fourth proportional to 34,415.84, 51,623.63 and 19,416.15 is: 29,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,415.84 : 51,623.63 = 19,416.15 : x
  2. Step 2: Convert to fraction form
    34,415.84/51,623.63 = 19,416.15/x
  3. Step 3: Cross multiply
    34,415.84x = 51,623.63 × 19,416.15
  4. Step 4: Simplify right side
    34,415.84x = 1,002,332,046.54
  5. Step 5: Solve for x
    x = 1,002,332,046.54/34,415.84
  6. Step 6: Final answer
    x = 29,124.15

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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.