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Finding the Fourth Proportional to 15,405.93, 23,103.63 and 5,015.25

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Solution

The fourth proportional to 15,405.93, 23,103.63 and 5,015.25 is: 7,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.93 : 23,103.63 = 5,015.25 : x
  2. Step 2: Convert to fraction form
    15,405.93/23,103.63 = 5,015.25/x
  3. Step 3: Cross multiply
    15,405.93x = 23,103.63 × 5,015.25
  4. Step 4: Simplify right side
    15,405.93x = 115,870,480.36
  5. Step 5: Solve for x
    x = 115,870,480.36/15,405.93
  6. Step 6: Final answer
    x = 7,521.16

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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.