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Finding the Fourth Proportional to 18,423.01, 27,634.71 and 14,748.60

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Solution

The fourth proportional to 18,423.01, 27,634.71 and 14,748.60 is: 22,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.01 : 27,634.71 = 14,748.60 : x
  2. Step 2: Convert to fraction form
    18,423.01/27,634.71 = 14,748.60/x
  3. Step 3: Cross multiply
    18,423.01x = 27,634.71 × 14,748.60
  4. Step 4: Simplify right side
    18,423.01x = 407,573,283.91
  5. Step 5: Solve for x
    x = 407,573,283.91/18,423.01
  6. Step 6: Final answer
    x = 22,123.06

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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.