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Finding the Fourth Proportional to 79,062.80, 118,594.20 and 26,466.80

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Solution

The fourth proportional to 79,062.80, 118,594.20 and 26,466.80 is: 39,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062.80 : 118,594.20 = 26,466.80 : x
  2. Step 2: Convert to fraction form
    79,062.80/118,594.20 = 26,466.80/x
  3. Step 3: Cross multiply
    79,062.80x = 118,594.20 × 26,466.80
  4. Step 4: Simplify right side
    79,062.80x = 3,138,808,972.56
  5. Step 5: Solve for x
    x = 3,138,808,972.56/79,062.80
  6. Step 6: Final answer
    x = 39,700.20

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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.