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Finding the Fourth Proportional to 44,671.79, 66,668.41 and 42,863.46

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Solution

The fourth proportional to 44,671.79, 66,668.41 and 42,863.46 is: 63,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,671.79 : 66,668.41 = 42,863.46 : x
  2. Step 2: Convert to fraction form
    44,671.79/66,668.41 = 42,863.46/x
  3. Step 3: Cross multiply
    44,671.79x = 66,668.41 × 42,863.46
  4. Step 4: Simplify right side
    44,671.79x = 2,857,638,725.30
  5. Step 5: Solve for x
    x = 2,857,638,725.30/44,671.79
  6. Step 6: Final answer
    x = 63,969.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.