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Finding the Fourth Proportional to 12,360.99, 17,057.73 and 7,055.60

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Solution

The fourth proportional to 12,360.99, 17,057.73 and 7,055.60 is: 9,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.99 : 17,057.73 = 7,055.60 : x
  2. Step 2: Convert to fraction form
    12,360.99/17,057.73 = 7,055.60/x
  3. Step 3: Cross multiply
    12,360.99x = 17,057.73 × 7,055.60
  4. Step 4: Simplify right side
    12,360.99x = 120,352,434.50
  5. Step 5: Solve for x
    x = 120,352,434.50/12,360.99
  6. Step 6: Final answer
    x = 9,736.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.