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Finding the Fourth Proportional to 14,454.52, 19,941.61 and 9,074.67

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Solution

The fourth proportional to 14,454.52, 19,941.61 and 9,074.67 is: 12,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.52 : 19,941.61 = 9,074.67 : x
  2. Step 2: Convert to fraction form
    14,454.52/19,941.61 = 9,074.67/x
  3. Step 3: Cross multiply
    14,454.52x = 19,941.61 × 9,074.67
  4. Step 4: Simplify right side
    14,454.52x = 180,963,449.57
  5. Step 5: Solve for x
    x = 180,963,449.57/14,454.52
  6. Step 6: Final answer
    x = 12,519.51

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1.5x scale

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.