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Finding the Fourth Proportional to 29,100.42, 43,647.79 and 9,393.12

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Solution

The fourth proportional to 29,100.42, 43,647.79 and 9,393.12 is: 14,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.42 : 43,647.79 = 9,393.12 : x
  2. Step 2: Convert to fraction form
    29,100.42/43,647.79 = 9,393.12/x
  3. Step 3: Cross multiply
    29,100.42x = 43,647.79 × 9,393.12
  4. Step 4: Simplify right side
    29,100.42x = 409,988,929.20
  5. Step 5: Solve for x
    x = 409,988,929.20/29,100.42
  6. Step 6: Final answer
    x = 14,088.76

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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.