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Finding the Fourth Proportional to 34,196.70, 51,295.05 and 15,764.70

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Solution

The fourth proportional to 34,196.70, 51,295.05 and 15,764.70 is: 23,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,196.70 : 51,295.05 = 15,764.70 : x
  2. Step 2: Convert to fraction form
    34,196.70/51,295.05 = 15,764.70/x
  3. Step 3: Cross multiply
    34,196.70x = 51,295.05 × 15,764.70
  4. Step 4: Simplify right side
    34,196.70x = 808,651,074.74
  5. Step 5: Solve for x
    x = 808,651,074.74/34,196.70
  6. Step 6: Final answer
    x = 23,647.05

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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.