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Finding the Fourth Proportional to 37,688.60, 56,532.90 and 9,608.60

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Solution

The fourth proportional to 37,688.60, 56,532.90 and 9,608.60 is: 14,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.60 : 56,532.90 = 9,608.60 : x
  2. Step 2: Convert to fraction form
    37,688.60/56,532.90 = 9,608.60/x
  3. Step 3: Cross multiply
    37,688.60x = 56,532.90 × 9,608.60
  4. Step 4: Simplify right side
    37,688.60x = 543,202,022.94
  5. Step 5: Solve for x
    x = 543,202,022.94/37,688.60
  6. Step 6: Final answer
    x = 14,412.90

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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.