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Finding the Fourth Proportional to 9,615.56, 14,404.18 and 6,318.66

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Solution

The fourth proportional to 9,615.56, 14,404.18 and 6,318.66 is: 9,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.56 : 14,404.18 = 6,318.66 : x
  2. Step 2: Convert to fraction form
    9,615.56/14,404.18 = 6,318.66/x
  3. Step 3: Cross multiply
    9,615.56x = 14,404.18 × 6,318.66
  4. Step 4: Simplify right side
    9,615.56x = 91,015,085.04
  5. Step 5: Solve for x
    x = 91,015,085.04/9,615.56
  6. Step 6: Final answer
    x = 9,465.40

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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.