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Finding the Fourth Proportional to 16,475.10, 23,021.40 and 16,475.10

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Solution

The fourth proportional to 16,475.10, 23,021.40 and 16,475.10 is: 23,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.10 : 23,021.40 = 16,475.10 : x
  2. Step 2: Convert to fraction form
    16,475.10/23,021.40 = 16,475.10/x
  3. Step 3: Cross multiply
    16,475.10x = 23,021.40 × 16,475.10
  4. Step 4: Simplify right side
    16,475.10x = 379,279,867.14
  5. Step 5: Solve for x
    x = 379,279,867.14/16,475.10
  6. Step 6: Final answer
    x = 23,021.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.