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Finding the Fourth Proportional to 8,891.80, 13,336.30 and 5,594.80

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Solution

The fourth proportional to 8,891.80, 13,336.30 and 5,594.80 is: 8,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.80 : 13,336.30 = 5,594.80 : x
  2. Step 2: Convert to fraction form
    8,891.80/13,336.30 = 5,594.80/x
  3. Step 3: Cross multiply
    8,891.80x = 13,336.30 × 5,594.80
  4. Step 4: Simplify right side
    8,891.80x = 74,613,931.24
  5. Step 5: Solve for x
    x = 74,613,931.24/8,891.80
  6. Step 6: Final answer
    x = 8,391.32

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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.