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Finding the Fourth Proportional to 74,710.54, 112,071.21 and 29,749.42

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Solution

The fourth proportional to 74,710.54, 112,071.21 and 29,749.42 is: 44,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.54 : 112,071.21 = 29,749.42 : x
  2. Step 2: Convert to fraction form
    74,710.54/112,071.21 = 29,749.42/x
  3. Step 3: Cross multiply
    74,710.54x = 112,071.21 × 29,749.42
  4. Step 4: Simplify right side
    74,710.54x = 3,334,053,496.20
  5. Step 5: Solve for x
    x = 3,334,053,496.20/74,710.54
  6. Step 6: Final answer
    x = 44,626.28

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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.