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Finding the Fourth Proportional to 8,441.55, 12,709.07 and 7,460.00

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Solution

The fourth proportional to 8,441.55, 12,709.07 and 7,460.00 is: 11,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.55 : 12,709.07 = 7,460.00 : x
  2. Step 2: Convert to fraction form
    8,441.55/12,709.07 = 7,460.00/x
  3. Step 3: Cross multiply
    8,441.55x = 12,709.07 × 7,460.00
  4. Step 4: Simplify right side
    8,441.55x = 94,809,636.99
  5. Step 5: Solve for x
    x = 94,809,636.99/8,441.55
  6. Step 6: Final answer
    x = 11,231.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.