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Finding the Fourth Proportional to 9,007.36, 13,506.88 and 7,055.36

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Solution

The fourth proportional to 9,007.36, 13,506.88 and 7,055.36 is: 10,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.36 : 13,506.88 = 7,055.36 : x
  2. Step 2: Convert to fraction form
    9,007.36/13,506.88 = 7,055.36/x
  3. Step 3: Cross multiply
    9,007.36x = 13,506.88 × 7,055.36
  4. Step 4: Simplify right side
    9,007.36x = 95,295,900.88
  5. Step 5: Solve for x
    x = 95,295,900.88/9,007.36
  6. Step 6: Final answer
    x = 10,579.78

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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.