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Finding the Fourth Proportional to 12,360, 17,057.68 and 7,054.96

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Solution

The fourth proportional to 12,360, 17,057.68 and 7,054.96 is: 9,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360 : 17,057.68 = 7,054.96 : x
  2. Step 2: Convert to fraction form
    12,360/17,057.68 = 7,054.96/x
  3. Step 3: Cross multiply
    12,360x = 17,057.68 × 7,054.96
  4. Step 4: Simplify right side
    12,360x = 120,341,250.09
  5. Step 5: Solve for x
    x = 120,341,250.09/12,360
  6. Step 6: Final answer
    x = 9,736.35

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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.