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Finding the Fourth Proportional to 74,674.70, 112,058.94 and 30,301.64

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Solution

The fourth proportional to 74,674.70, 112,058.94 and 30,301.64 is: 45,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.70 : 112,058.94 = 30,301.64 : x
  2. Step 2: Convert to fraction form
    74,674.70/112,058.94 = 30,301.64/x
  3. Step 3: Cross multiply
    74,674.70x = 112,058.94 × 30,301.64
  4. Step 4: Simplify right side
    74,674.70x = 3,395,569,658.66
  5. Step 5: Solve for x
    x = 3,395,569,658.66/74,674.70
  6. Step 6: Final answer
    x = 45,471.49

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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.