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Finding the Fourth Proportional to 36,903.90, 55,356.04 and 9,201.90

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Solution

The fourth proportional to 36,903.90, 55,356.04 and 9,201.90 is: 13,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.90 : 55,356.04 = 9,201.90 : x
  2. Step 2: Convert to fraction form
    36,903.90/55,356.04 = 9,201.90/x
  3. Step 3: Cross multiply
    36,903.90x = 55,356.04 × 9,201.90
  4. Step 4: Simplify right side
    36,903.90x = 509,380,744.48
  5. Step 5: Solve for x
    x = 509,380,744.48/36,903.90
  6. Step 6: Final answer
    x = 13,802.90

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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.