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Finding the Fourth Proportional to 60,080.80, 90,128.04 and 17,963.24

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Solution

The fourth proportional to 60,080.80, 90,128.04 and 17,963.24 is: 26,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,080.80 : 90,128.04 = 17,963.24 : x
  2. Step 2: Convert to fraction form
    60,080.80/90,128.04 = 17,963.24/x
  3. Step 3: Cross multiply
    60,080.80x = 90,128.04 × 17,963.24
  4. Step 4: Simplify right side
    60,080.80x = 1,618,991,613.25
  5. Step 5: Solve for x
    x = 1,618,991,613.25/60,080.80
  6. Step 6: Final answer
    x = 26,946.91

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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.