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Finding the Fourth Proportional to 17,892.60, 24,688.10 and 10,819.40

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Solution

The fourth proportional to 17,892.60, 24,688.10 and 10,819.40 is: 14,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.60 : 24,688.10 = 10,819.40 : x
  2. Step 2: Convert to fraction form
    17,892.60/24,688.10 = 10,819.40/x
  3. Step 3: Cross multiply
    17,892.60x = 24,688.10 × 10,819.40
  4. Step 4: Simplify right side
    17,892.60x = 267,110,429.14
  5. Step 5: Solve for x
    x = 267,110,429.14/17,892.60
  6. Step 6: Final answer
    x = 14,928.54

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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.