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Finding the Fourth Proportional to 74,296.32, 111,443.21 and 29,921.94

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Solution

The fourth proportional to 74,296.32, 111,443.21 and 29,921.94 is: 44,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296.32 : 111,443.21 = 29,921.94 : x
  2. Step 2: Convert to fraction form
    74,296.32/111,443.21 = 29,921.94/x
  3. Step 3: Cross multiply
    74,296.32x = 111,443.21 × 29,921.94
  4. Step 4: Simplify right side
    74,296.32x = 3,334,596,893.42
  5. Step 5: Solve for x
    x = 3,334,596,893.42/74,296.32
  6. Step 6: Final answer
    x = 44,882.40

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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.