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Finding the Fourth Proportional to 51,334.65, 70,843.55 and 28,673.96

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Solution

The fourth proportional to 51,334.65, 70,843.55 and 28,673.96 is: 39,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.65 : 70,843.55 = 28,673.96 : x
  2. Step 2: Convert to fraction form
    51,334.65/70,843.55 = 28,673.96/x
  3. Step 3: Cross multiply
    51,334.65x = 70,843.55 × 28,673.96
  4. Step 4: Simplify right side
    51,334.65x = 2,031,364,621.37
  5. Step 5: Solve for x
    x = 2,031,364,621.37/51,334.65
  6. Step 6: Final answer
    x = 39,571.02

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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.