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Finding the Fourth Proportional to 29,430.75, 44,146.13 and 7,542.75

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Solution

The fourth proportional to 29,430.75, 44,146.13 and 7,542.75 is: 11,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.75 : 44,146.13 = 7,542.75 : x
  2. Step 2: Convert to fraction form
    29,430.75/44,146.13 = 7,542.75/x
  3. Step 3: Cross multiply
    29,430.75x = 44,146.13 × 7,542.75
  4. Step 4: Simplify right side
    29,430.75x = 332,983,184.34
  5. Step 5: Solve for x
    x = 332,983,184.34/29,430.75
  6. Step 6: Final answer
    x = 11,314.13

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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.