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Finding the Fourth Proportional to 30,009.16, 44,932.74 and 20,127.16

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Solution

The fourth proportional to 30,009.16, 44,932.74 and 20,127.16 is: 30,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.16 : 44,932.74 = 20,127.16 : x
  2. Step 2: Convert to fraction form
    30,009.16/44,932.74 = 20,127.16/x
  3. Step 3: Cross multiply
    30,009.16x = 44,932.74 × 20,127.16
  4. Step 4: Simplify right side
    30,009.16x = 904,368,447.22
  5. Step 5: Solve for x
    x = 904,368,447.22/30,009.16
  6. Step 6: Final answer
    x = 30,136.41

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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.