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Finding the Fourth Proportional to 32,811.60, 49,217.40 and 30,608.40

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Solution

The fourth proportional to 32,811.60, 49,217.40 and 30,608.40 is: 45,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.60 : 49,217.40 = 30,608.40 : x
  2. Step 2: Convert to fraction form
    32,811.60/49,217.40 = 30,608.40/x
  3. Step 3: Cross multiply
    32,811.60x = 49,217.40 × 30,608.40
  4. Step 4: Simplify right side
    32,811.60x = 1,506,465,866.16
  5. Step 5: Solve for x
    x = 1,506,465,866.16/32,811.60
  6. Step 6: Final answer
    x = 45,912.60

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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.