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Finding the Fourth Proportional to 3,596.96, 4,966.80 and 2,421.92

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Solution

The fourth proportional to 3,596.96, 4,966.80 and 2,421.92 is: 3,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.96 : 4,966.80 = 2,421.92 : x
  2. Step 2: Convert to fraction form
    3,596.96/4,966.80 = 2,421.92/x
  3. Step 3: Cross multiply
    3,596.96x = 4,966.80 × 2,421.92
  4. Step 4: Simplify right side
    3,596.96x = 12,029,192.26
  5. Step 5: Solve for x
    x = 12,029,192.26/3,596.96
  6. Step 6: Final answer
    x = 3,344.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.