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Finding the Fourth Proportional to 29,700.79, 44,546.99 and 7,512.80

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Solution

The fourth proportional to 29,700.79, 44,546.99 and 7,512.80 is: 11,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.79 : 44,546.99 = 7,512.80 : x
  2. Step 2: Convert to fraction form
    29,700.79/44,546.99 = 7,512.80/x
  3. Step 3: Cross multiply
    29,700.79x = 44,546.99 × 7,512.80
  4. Step 4: Simplify right side
    29,700.79x = 334,672,422.52
  5. Step 5: Solve for x
    x = 334,672,422.52/29,700.79
  6. Step 6: Final answer
    x = 11,268.13

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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.