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Finding the Fourth Proportional to 33,090.70, 49,636.05 and 30,903.70

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Solution

The fourth proportional to 33,090.70, 49,636.05 and 30,903.70 is: 46,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.70 : 49,636.05 = 30,903.70 : x
  2. Step 2: Convert to fraction form
    33,090.70/49,636.05 = 30,903.70/x
  3. Step 3: Cross multiply
    33,090.70x = 49,636.05 × 30,903.70
  4. Step 4: Simplify right side
    33,090.70x = 1,533,937,598.39
  5. Step 5: Solve for x
    x = 1,533,937,598.39/33,090.70
  6. Step 6: Final answer
    x = 46,355.55

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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.