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Finding the Fourth Proportional to 50,810.67, 70,118.73 and 28,454.67

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Solution

The fourth proportional to 50,810.67, 70,118.73 and 28,454.67 is: 39,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,810.67 : 70,118.73 = 28,454.67 : x
  2. Step 2: Convert to fraction form
    50,810.67/70,118.73 = 28,454.67/x
  3. Step 3: Cross multiply
    50,810.67x = 70,118.73 × 28,454.67
  4. Step 4: Simplify right side
    50,810.67x = 1,995,205,322.97
  5. Step 5: Solve for x
    x = 1,995,205,322.97/50,810.67
  6. Step 6: Final answer
    x = 39,267.45

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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.