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Finding the Fourth Proportional to 12,354.62, 18,522.50 and 4,029.62

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Solution

The fourth proportional to 12,354.62, 18,522.50 and 4,029.62 is: 6,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.62 : 18,522.50 = 4,029.62 : x
  2. Step 2: Convert to fraction form
    12,354.62/18,522.50 = 4,029.62/x
  3. Step 3: Cross multiply
    12,354.62x = 18,522.50 × 4,029.62
  4. Step 4: Simplify right side
    12,354.62x = 74,638,636.45
  5. Step 5: Solve for x
    x = 74,638,636.45/12,354.62
  6. Step 6: Final answer
    x = 6,041.35

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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.