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Finding the Fourth Proportional to 42,522.57, 63,783.99 and 16,245.63

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Solution

The fourth proportional to 42,522.57, 63,783.99 and 16,245.63 is: 24,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,522.57 : 63,783.99 = 16,245.63 : x
  2. Step 2: Convert to fraction form
    42,522.57/63,783.99 = 16,245.63/x
  3. Step 3: Cross multiply
    42,522.57x = 63,783.99 × 16,245.63
  4. Step 4: Simplify right side
    42,522.57x = 1,036,211,101.46
  5. Step 5: Solve for x
    x = 1,036,211,101.46/42,522.57
  6. Step 6: Final answer
    x = 24,368.50

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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.