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Finding the Fourth Proportional to 33,168.40, 49,752.60 and 30,106.60

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Solution

The fourth proportional to 33,168.40, 49,752.60 and 30,106.60 is: 45,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.40 : 49,752.60 = 30,106.60 : x
  2. Step 2: Convert to fraction form
    33,168.40/49,752.60 = 30,106.60/x
  3. Step 3: Cross multiply
    33,168.40x = 49,752.60 × 30,106.60
  4. Step 4: Simplify right side
    33,168.40x = 1,497,881,627.16
  5. Step 5: Solve for x
    x = 1,497,881,627.16/33,168.40
  6. Step 6: Final answer
    x = 45,159.90

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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.