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Finding the Fourth Proportional to 23,295.80, 34,943.70 and 8,499.80

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Solution

The fourth proportional to 23,295.80, 34,943.70 and 8,499.80 is: 12,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,295.80 : 34,943.70 = 8,499.80 : x
  2. Step 2: Convert to fraction form
    23,295.80/34,943.70 = 8,499.80/x
  3. Step 3: Cross multiply
    23,295.80x = 34,943.70 × 8,499.80
  4. Step 4: Simplify right side
    23,295.80x = 297,014,461.26
  5. Step 5: Solve for x
    x = 297,014,461.26/23,295.80
  6. Step 6: Final answer
    x = 12,749.70

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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.