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Finding the Fourth Proportional to 17,762.60, 26,643.90 and 14,911.40

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Solution

The fourth proportional to 17,762.60, 26,643.90 and 14,911.40 is: 22,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.60 : 26,643.90 = 14,911.40 : x
  2. Step 2: Convert to fraction form
    17,762.60/26,643.90 = 14,911.40/x
  3. Step 3: Cross multiply
    17,762.60x = 26,643.90 × 14,911.40
  4. Step 4: Simplify right side
    17,762.60x = 397,297,850.46
  5. Step 5: Solve for x
    x = 397,297,850.46/17,762.60
  6. Step 6: Final answer
    x = 22,367.10

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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.