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Finding the Fourth Proportional to 5,359.60, 8,058.60 and 4,514.80

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Solution

The fourth proportional to 5,359.60, 8,058.60 and 4,514.80 is: 6,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.60 : 8,058.60 = 4,514.80 : x
  2. Step 2: Convert to fraction form
    5,359.60/8,058.60 = 4,514.80/x
  3. Step 3: Cross multiply
    5,359.60x = 8,058.60 × 4,514.80
  4. Step 4: Simplify right side
    5,359.60x = 36,382,967.28
  5. Step 5: Solve for x
    x = 36,382,967.28/5,359.60
  6. Step 6: Final answer
    x = 6,788.37

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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.