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Finding the Fourth Proportional to 39,671.40, 54,746.53 and 22,676.01

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Solution

The fourth proportional to 39,671.40, 54,746.53 and 22,676.01 is: 31,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.40 : 54,746.53 = 22,676.01 : x
  2. Step 2: Convert to fraction form
    39,671.40/54,746.53 = 22,676.01/x
  3. Step 3: Cross multiply
    39,671.40x = 54,746.53 × 22,676.01
  4. Step 4: Simplify right side
    39,671.40x = 1,241,432,599.76
  5. Step 5: Solve for x
    x = 1,241,432,599.76/39,671.40
  6. Step 6: Final answer
    x = 31,292.89

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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.