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Finding the Fourth Proportional to 14,785.94, 22,172.22 and 4,253.55

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Solution

The fourth proportional to 14,785.94, 22,172.22 and 4,253.55 is: 6,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.94 : 22,172.22 = 4,253.55 : x
  2. Step 2: Convert to fraction form
    14,785.94/22,172.22 = 4,253.55/x
  3. Step 3: Cross multiply
    14,785.94x = 22,172.22 × 4,253.55
  4. Step 4: Simplify right side
    14,785.94x = 94,310,646.38
  5. Step 5: Solve for x
    x = 94,310,646.38/14,785.94
  6. Step 6: Final answer
    x = 6,378.40

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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.