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Finding the Fourth Proportional to 16,386.62, 24,579.90 and 4,074.62

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Solution

The fourth proportional to 16,386.62, 24,579.90 and 4,074.62 is: 6,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.62 : 24,579.90 = 4,074.62 : x
  2. Step 2: Convert to fraction form
    16,386.62/24,579.90 = 4,074.62/x
  3. Step 3: Cross multiply
    16,386.62x = 24,579.90 × 4,074.62
  4. Step 4: Simplify right side
    16,386.62x = 100,153,752.14
  5. Step 5: Solve for x
    x = 100,153,752.14/16,386.62
  6. Step 6: Final answer
    x = 6,111.92

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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.