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Finding the Fourth Proportional to 52,757.80, 79,136.70 and 17,698.60

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Solution

The fourth proportional to 52,757.80, 79,136.70 and 17,698.60 is: 26,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.80 : 79,136.70 = 17,698.60 : x
  2. Step 2: Convert to fraction form
    52,757.80/79,136.70 = 17,698.60/x
  3. Step 3: Cross multiply
    52,757.80x = 79,136.70 × 17,698.60
  4. Step 4: Simplify right side
    52,757.80x = 1,400,608,798.62
  5. Step 5: Solve for x
    x = 1,400,608,798.62/52,757.80
  6. Step 6: Final answer
    x = 26,547.90

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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.