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Finding the Fourth Proportional to 30,003.94, 44,911.41 and 20,588.91

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Solution

The fourth proportional to 30,003.94, 44,911.41 and 20,588.91 is: 30,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.94 : 44,911.41 = 20,588.91 : x
  2. Step 2: Convert to fraction form
    30,003.94/44,911.41 = 20,588.91/x
  3. Step 3: Cross multiply
    30,003.94x = 44,911.41 × 20,588.91
  4. Step 4: Simplify right side
    30,003.94x = 924,676,978.46
  5. Step 5: Solve for x
    x = 924,676,978.46/30,003.94
  6. Step 6: Final answer
    x = 30,818.52

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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.