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Finding the Fourth Proportional to 40,894.88, 56,413.06 and 27,443.00

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Solution

The fourth proportional to 40,894.88, 56,413.06 and 27,443.00 is: 37,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.88 : 56,413.06 = 27,443.00 : x
  2. Step 2: Convert to fraction form
    40,894.88/56,413.06 = 27,443.00/x
  3. Step 3: Cross multiply
    40,894.88x = 56,413.06 × 27,443.00
  4. Step 4: Simplify right side
    40,894.88x = 1,548,143,678.01
  5. Step 5: Solve for x
    x = 1,548,143,678.01/40,894.88
  6. Step 6: Final answer
    x = 37,856.67

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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.