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Finding the Fourth Proportional to 9,504.70, 13,328.45 and 9,504.70

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Solution

The fourth proportional to 9,504.70, 13,328.45 and 9,504.70 is: 13,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.70 : 13,328.45 = 9,504.70 : x
  2. Step 2: Convert to fraction form
    9,504.70/13,328.45 = 9,504.70/x
  3. Step 3: Cross multiply
    9,504.70x = 13,328.45 × 9,504.70
  4. Step 4: Simplify right side
    9,504.70x = 126,682,918.72
  5. Step 5: Solve for x
    x = 126,682,918.72/9,504.70
  6. Step 6: Final answer
    x = 13,328.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.