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Finding the Fourth Proportional to 15,413.94, 23,133.06 and 7,917.19

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Solution

The fourth proportional to 15,413.94, 23,133.06 and 7,917.19 is: 11,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.94 : 23,133.06 = 7,917.19 : x
  2. Step 2: Convert to fraction form
    15,413.94/23,133.06 = 7,917.19/x
  3. Step 3: Cross multiply
    15,413.94x = 23,133.06 × 7,917.19
  4. Step 4: Simplify right side
    15,413.94x = 183,148,831.30
  5. Step 5: Solve for x
    x = 183,148,831.30/15,413.94
  6. Step 6: Final answer
    x = 11,882.03

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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.