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Finding the Fourth Proportional to 1,955,275.06, 2,933,722.81 and 1,055,659.45

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Solution

The fourth proportional to 1,955,275.06, 2,933,722.81 and 1,055,659.45 is: 1,583,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,275.06 : 2,933,722.81 = 1,055,659.45 : x
  2. Step 2: Convert to fraction form
    1,955,275.06/2,933,722.81 = 1,055,659.45/x
  3. Step 3: Cross multiply
    1,955,275.06x = 2,933,722.81 × 1,055,659.45
  4. Step 4: Simplify right side
    1,955,275.06x = 3,097,012,208,057.05
  5. Step 5: Solve for x
    x = 3,097,012,208,057.05/1,955,275.06
  6. Step 6: Final answer
    x = 1,583,926.62

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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.