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Finding the Fourth Proportional to 33,152.60, 49,728.90 and 30,200.15

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Solution

The fourth proportional to 33,152.60, 49,728.90 and 30,200.15 is: 45,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,152.60 : 49,728.90 = 30,200.15 : x
  2. Step 2: Convert to fraction form
    33,152.60/49,728.90 = 30,200.15/x
  3. Step 3: Cross multiply
    33,152.60x = 49,728.90 × 30,200.15
  4. Step 4: Simplify right side
    33,152.60x = 1,501,820,239.34
  5. Step 5: Solve for x
    x = 1,501,820,239.34/33,152.60
  6. Step 6: Final answer
    x = 45,300.23

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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.