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Finding the Fourth Proportional to 30,501.97, 45,748.33 and 8,317.13

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Solution

The fourth proportional to 30,501.97, 45,748.33 and 8,317.13 is: 12,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.97 : 45,748.33 = 8,317.13 : x
  2. Step 2: Convert to fraction form
    30,501.97/45,748.33 = 8,317.13/x
  3. Step 3: Cross multiply
    30,501.97x = 45,748.33 × 8,317.13
  4. Step 4: Simplify right side
    30,501.97x = 380,494,558.36
  5. Step 5: Solve for x
    x = 380,494,558.36/30,501.97
  6. Step 6: Final answer
    x = 12,474.43

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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.