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Finding the Fourth Proportional to 47,679.84, 65,810.28 and 32,578.60

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Solution

The fourth proportional to 47,679.84, 65,810.28 and 32,578.60 is: 44,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679.84 : 65,810.28 = 32,578.60 : x
  2. Step 2: Convert to fraction form
    47,679.84/65,810.28 = 32,578.60/x
  3. Step 3: Cross multiply
    47,679.84x = 65,810.28 × 32,578.60
  4. Step 4: Simplify right side
    47,679.84x = 2,144,006,788.01
  5. Step 5: Solve for x
    x = 2,144,006,788.01/47,679.84
  6. Step 6: Final answer
    x = 44,966.74

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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.