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Finding the Fourth Proportional to 15,068.97, 20,797.61 and 14,404.55

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Solution

The fourth proportional to 15,068.97, 20,797.61 and 14,404.55 is: 19,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.97 : 20,797.61 = 14,404.55 : x
  2. Step 2: Convert to fraction form
    15,068.97/20,797.61 = 14,404.55/x
  3. Step 3: Cross multiply
    15,068.97x = 20,797.61 × 14,404.55
  4. Step 4: Simplify right side
    15,068.97x = 299,580,037.11
  5. Step 5: Solve for x
    x = 299,580,037.11/15,068.97
  6. Step 6: Final answer
    x = 19,880.59

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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.