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Finding the Fourth Proportional to 18,594.74, 25,631.25 and 18,226.10

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Solution

The fourth proportional to 18,594.74, 25,631.25 and 18,226.10 is: 25,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.74 : 25,631.25 = 18,226.10 : x
  2. Step 2: Convert to fraction form
    18,594.74/25,631.25 = 18,226.10/x
  3. Step 3: Cross multiply
    18,594.74x = 25,631.25 × 18,226.10
  4. Step 4: Simplify right side
    18,594.74x = 467,157,725.63
  5. Step 5: Solve for x
    x = 467,157,725.63/18,594.74
  6. Step 6: Final answer
    x = 25,123.11

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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.