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Finding the Fourth Proportional to 45,973.62, 68,916.60 and 14,787

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Solution

The fourth proportional to 45,973.62, 68,916.60 and 14,787 is: 22,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.62 : 68,916.60 = 14,787 : x
  2. Step 2: Convert to fraction form
    45,973.62/68,916.60 = 14,787/x
  3. Step 3: Cross multiply
    45,973.62x = 68,916.60 × 14,787
  4. Step 4: Simplify right side
    45,973.62x = 1,019,069,764.20
  5. Step 5: Solve for x
    x = 1,019,069,764.20/45,973.62
  6. Step 6: Final answer
    x = 22,166.40

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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.