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Finding the Fourth Proportional to 18,762.16, 25,846.68 and 17,414.32

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Solution

The fourth proportional to 18,762.16, 25,846.68 and 17,414.32 is: 23,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.16 : 25,846.68 = 17,414.32 : x
  2. Step 2: Convert to fraction form
    18,762.16/25,846.68 = 17,414.32/x
  3. Step 3: Cross multiply
    18,762.16x = 25,846.68 × 17,414.32
  4. Step 4: Simplify right side
    18,762.16x = 450,102,356.46
  5. Step 5: Solve for x
    x = 450,102,356.46/18,762.16
  6. Step 6: Final answer
    x = 23,989.90

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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.