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Finding the Fourth Proportional to 9,655, 14,482.66 and 3,811.56

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Solution

The fourth proportional to 9,655, 14,482.66 and 3,811.56 is: 5,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655 : 14,482.66 = 3,811.56 : x
  2. Step 2: Convert to fraction form
    9,655/14,482.66 = 3,811.56/x
  3. Step 3: Cross multiply
    9,655x = 14,482.66 × 3,811.56
  4. Step 4: Simplify right side
    9,655x = 55,201,527.55
  5. Step 5: Solve for x
    x = 55,201,527.55/9,655
  6. Step 6: Final answer
    x = 5,717.40

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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.