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Finding the Fourth Proportional to 9,762.20, 14,675.70 and 8,336.60

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Solution

The fourth proportional to 9,762.20, 14,675.70 and 8,336.60 is: 12,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.20 : 14,675.70 = 8,336.60 : x
  2. Step 2: Convert to fraction form
    9,762.20/14,675.70 = 8,336.60/x
  3. Step 3: Cross multiply
    9,762.20x = 14,675.70 × 8,336.60
  4. Step 4: Simplify right side
    9,762.20x = 122,345,440.62
  5. Step 5: Solve for x
    x = 122,345,440.62/9,762.20
  6. Step 6: Final answer
    x = 12,532.57

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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.