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Finding the Fourth Proportional to 47,446.63, 65,433.94 and 39,367.49

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Solution

The fourth proportional to 47,446.63, 65,433.94 and 39,367.49 is: 54,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,446.63 : 65,433.94 = 39,367.49 : x
  2. Step 2: Convert to fraction form
    47,446.63/65,433.94 = 39,367.49/x
  3. Step 3: Cross multiply
    47,446.63x = 65,433.94 × 39,367.49
  4. Step 4: Simplify right side
    47,446.63x = 2,575,970,031.81
  5. Step 5: Solve for x
    x = 2,575,970,031.81/47,446.63
  6. Step 6: Final answer
    x = 54,291.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.