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Finding the Fourth Proportional to 34,894.71, 52,355.97 and 12,709.62

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Solution

The fourth proportional to 34,894.71, 52,355.97 and 12,709.62 is: 19,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.71 : 52,355.97 = 12,709.62 : x
  2. Step 2: Convert to fraction form
    34,894.71/52,355.97 = 12,709.62/x
  3. Step 3: Cross multiply
    34,894.71x = 52,355.97 × 12,709.62
  4. Step 4: Simplify right side
    34,894.71x = 665,424,483.43
  5. Step 5: Solve for x
    x = 665,424,483.43/34,894.71
  6. Step 6: Final answer
    x = 19,069.49

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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.