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Finding the Fourth Proportional to 9,344.83, 13,956.68 and 8,465.57

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Solution

The fourth proportional to 9,344.83, 13,956.68 and 8,465.57 is: 12,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.83 : 13,956.68 = 8,465.57 : x
  2. Step 2: Convert to fraction form
    9,344.83/13,956.68 = 8,465.57/x
  3. Step 3: Cross multiply
    9,344.83x = 13,956.68 × 8,465.57
  4. Step 4: Simplify right side
    9,344.83x = 118,151,244.07
  5. Step 5: Solve for x
    x = 118,151,244.07/9,344.83
  6. Step 6: Final answer
    x = 12,643.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.