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Finding the Fourth Proportional to 5,369.60, 8,058.18 and 4,910.60

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Solution

The fourth proportional to 5,369.60, 8,058.18 and 4,910.60 is: 7,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.60 : 8,058.18 = 4,910.60 : x
  2. Step 2: Convert to fraction form
    5,369.60/8,058.18 = 4,910.60/x
  3. Step 3: Cross multiply
    5,369.60x = 8,058.18 × 4,910.60
  4. Step 4: Simplify right side
    5,369.60x = 39,570,498.71
  5. Step 5: Solve for x
    x = 39,570,498.71/5,369.60
  6. Step 6: Final answer
    x = 7,369.36

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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.