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Finding the Fourth Proportional to 65,573.81, 90,497.81 and 37,279.43

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Solution

The fourth proportional to 65,573.81, 90,497.81 and 37,279.43 is: 51,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,573.81 : 90,497.81 = 37,279.43 : x
  2. Step 2: Convert to fraction form
    65,573.81/90,497.81 = 37,279.43/x
  3. Step 3: Cross multiply
    65,573.81x = 90,497.81 × 37,279.43
  4. Step 4: Simplify right side
    65,573.81x = 3,373,706,413.76
  5. Step 5: Solve for x
    x = 3,373,706,413.76/65,573.81
  6. Step 6: Final answer
    x = 51,449.00

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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.