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Finding the Fourth Proportional to 17,810.60, 26,715.90 and 8,594.60

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Solution

The fourth proportional to 17,810.60, 26,715.90 and 8,594.60 is: 12,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.60 : 26,715.90 = 8,594.60 : x
  2. Step 2: Convert to fraction form
    17,810.60/26,715.90 = 8,594.60/x
  3. Step 3: Cross multiply
    17,810.60x = 26,715.90 × 8,594.60
  4. Step 4: Simplify right side
    17,810.60x = 229,612,474.14
  5. Step 5: Solve for x
    x = 229,612,474.14/17,810.60
  6. Step 6: Final answer
    x = 12,891.90

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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.