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Finding the Fourth Proportional to 52,718.28, 79,074.90 and 37,953.48

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Solution

The fourth proportional to 52,718.28, 79,074.90 and 37,953.48 is: 56,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.28 : 79,074.90 = 37,953.48 : x
  2. Step 2: Convert to fraction form
    52,718.28/79,074.90 = 37,953.48/x
  3. Step 3: Cross multiply
    52,718.28x = 79,074.90 × 37,953.48
  4. Step 4: Simplify right side
    52,718.28x = 3,001,167,635.65
  5. Step 5: Solve for x
    x = 3,001,167,635.65/52,718.28
  6. Step 6: Final answer
    x = 56,928.41

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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.