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Finding the Fourth Proportional to 5,561.66, 8,343.66 and 1,612.92

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Solution

The fourth proportional to 5,561.66, 8,343.66 and 1,612.92 is: 2,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.66 : 8,343.66 = 1,612.92 : x
  2. Step 2: Convert to fraction form
    5,561.66/8,343.66 = 1,612.92/x
  3. Step 3: Cross multiply
    5,561.66x = 8,343.66 × 1,612.92
  4. Step 4: Simplify right side
    5,561.66x = 13,457,656.09
  5. Step 5: Solve for x
    x = 13,457,656.09/5,561.66
  6. Step 6: Final answer
    x = 2,419.72

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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.