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Finding the Fourth Proportional to 5,970.79, 8,959.10 and 2,412.77

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Solution

The fourth proportional to 5,970.79, 8,959.10 and 2,412.77 is: 3,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.79 : 8,959.10 = 2,412.77 : x
  2. Step 2: Convert to fraction form
    5,970.79/8,959.10 = 2,412.77/x
  3. Step 3: Cross multiply
    5,970.79x = 8,959.10 × 2,412.77
  4. Step 4: Simplify right side
    5,970.79x = 21,616,247.71
  5. Step 5: Solve for x
    x = 21,616,247.71/5,970.79
  6. Step 6: Final answer
    x = 3,620.33

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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.