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Finding the Fourth Proportional to 44,689.79, 67,043.90 and 13,100.89

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Solution

The fourth proportional to 44,689.79, 67,043.90 and 13,100.89 is: 19,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,689.79 : 67,043.90 = 13,100.89 : x
  2. Step 2: Convert to fraction form
    44,689.79/67,043.90 = 13,100.89/x
  3. Step 3: Cross multiply
    44,689.79x = 67,043.90 × 13,100.89
  4. Step 4: Simplify right side
    44,689.79x = 878,334,749.92
  5. Step 5: Solve for x
    x = 878,334,749.92/44,689.79
  6. Step 6: Final answer
    x = 19,654.04

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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.