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Finding the Fourth Proportional to 14,562.60, 21,849.42 and 8,723.40

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Solution

The fourth proportional to 14,562.60, 21,849.42 and 8,723.40 is: 13,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.60 : 21,849.42 = 8,723.40 : x
  2. Step 2: Convert to fraction form
    14,562.60/21,849.42 = 8,723.40/x
  3. Step 3: Cross multiply
    14,562.60x = 21,849.42 × 8,723.40
  4. Step 4: Simplify right side
    14,562.60x = 190,601,230.43
  5. Step 5: Solve for x
    x = 190,601,230.43/14,562.60
  6. Step 6: Final answer
    x = 13,088.41

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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.