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Finding the Fourth Proportional to 34,812.80, 52,212.50 and 9,846.80

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Solution

The fourth proportional to 34,812.80, 52,212.50 and 9,846.80 is: 14,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,812.80 : 52,212.50 = 9,846.80 : x
  2. Step 2: Convert to fraction form
    34,812.80/52,212.50 = 9,846.80/x
  3. Step 3: Cross multiply
    34,812.80x = 52,212.50 × 9,846.80
  4. Step 4: Simplify right side
    34,812.80x = 514,126,045.00
  5. Step 5: Solve for x
    x = 514,126,045.00/34,812.80
  6. Step 6: Final answer
    x = 14,768.30

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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.