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Finding the Fourth Proportional to 1,956,656.80, 2,733,720.80 and 1,956,656.80

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Solution

The fourth proportional to 1,956,656.80, 2,733,720.80 and 1,956,656.80 is: 2,733,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,656.80 : 2,733,720.80 = 1,956,656.80 : x
  2. Step 2: Convert to fraction form
    1,956,656.80/2,733,720.80 = 1,956,656.80/x
  3. Step 3: Cross multiply
    1,956,656.80x = 2,733,720.80 × 1,956,656.80
  4. Step 4: Simplify right side
    1,956,656.80x = 5,348,953,392,621.44
  5. Step 5: Solve for x
    x = 5,348,953,392,621.44/1,956,656.80
  6. Step 6: Final answer
    x = 2,733,720.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.