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Finding the Fourth Proportional to 51,928.03, 71,660.71 and 28,054.69

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Solution

The fourth proportional to 51,928.03, 71,660.71 and 28,054.69 is: 38,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.03 : 71,660.71 = 28,054.69 : x
  2. Step 2: Convert to fraction form
    51,928.03/71,660.71 = 28,054.69/x
  3. Step 3: Cross multiply
    51,928.03x = 71,660.71 × 28,054.69
  4. Step 4: Simplify right side
    51,928.03x = 2,010,419,004.23
  5. Step 5: Solve for x
    x = 2,010,419,004.23/51,928.03
  6. Step 6: Final answer
    x = 38,715.49

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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.