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Finding the Fourth Proportional to 73,476.18, 110,211.84 and 31,923.18

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Solution

The fourth proportional to 73,476.18, 110,211.84 and 31,923.18 is: 47,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,476.18 : 110,211.84 = 31,923.18 : x
  2. Step 2: Convert to fraction form
    73,476.18/110,211.84 = 31,923.18/x
  3. Step 3: Cross multiply
    73,476.18x = 110,211.84 × 31,923.18
  4. Step 4: Simplify right side
    73,476.18x = 3,518,312,406.45
  5. Step 5: Solve for x
    x = 3,518,312,406.45/73,476.18
  6. Step 6: Final answer
    x = 47,883.71

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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.