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Finding the Fourth Proportional to 9,055.63, 13,584.71 and 8,557.63

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Solution

The fourth proportional to 9,055.63, 13,584.71 and 8,557.63 is: 12,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.63 : 13,584.71 = 8,557.63 : x
  2. Step 2: Convert to fraction form
    9,055.63/13,584.71 = 8,557.63/x
  3. Step 3: Cross multiply
    9,055.63x = 13,584.71 × 8,557.63
  4. Step 4: Simplify right side
    9,055.63x = 116,252,811.13
  5. Step 5: Solve for x
    x = 116,252,811.13/9,055.63
  6. Step 6: Final answer
    x = 12,837.64

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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.