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Finding the Fourth Proportional to 44,863.40, 61,938.07 and 39,881.63

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Solution

The fourth proportional to 44,863.40, 61,938.07 and 39,881.63 is: 55,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,863.40 : 61,938.07 = 39,881.63 : x
  2. Step 2: Convert to fraction form
    44,863.40/61,938.07 = 39,881.63/x
  3. Step 3: Cross multiply
    44,863.40x = 61,938.07 × 39,881.63
  4. Step 4: Simplify right side
    44,863.40x = 2,470,191,245.80
  5. Step 5: Solve for x
    x = 2,470,191,245.80/44,863.40
  6. Step 6: Final answer
    x = 55,060.27

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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.