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Finding the Fourth Proportional to 15,369.75, 23,055.03 and 6,135.75

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Solution

The fourth proportional to 15,369.75, 23,055.03 and 6,135.75 is: 9,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.75 : 23,055.03 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    15,369.75/23,055.03 = 6,135.75/x
  3. Step 3: Cross multiply
    15,369.75x = 23,055.03 × 6,135.75
  4. Step 4: Simplify right side
    15,369.75x = 141,459,900.32
  5. Step 5: Solve for x
    x = 141,459,900.32/15,369.75
  6. Step 6: Final answer
    x = 9,203.79

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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.