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Finding the Fourth Proportional to 25,200.40, 37,800.60 and 24,811.60

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Solution

The fourth proportional to 25,200.40, 37,800.60 and 24,811.60 is: 37,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.40 : 37,800.60 = 24,811.60 : x
  2. Step 2: Convert to fraction form
    25,200.40/37,800.60 = 24,811.60/x
  3. Step 3: Cross multiply
    25,200.40x = 37,800.60 × 24,811.60
  4. Step 4: Simplify right side
    25,200.40x = 937,893,366.96
  5. Step 5: Solve for x
    x = 937,893,366.96/25,200.40
  6. Step 6: Final answer
    x = 37,217.40

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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.