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Finding the Fourth Proportional to 5,999,921.68, 9,000,817.46 and 1,955,471.14

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Solution

The fourth proportional to 5,999,921.68, 9,000,817.46 and 1,955,471.14 is: 2,933,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999,921.68 : 9,000,817.46 = 1,955,471.14 : x
  2. Step 2: Convert to fraction form
    5,999,921.68/9,000,817.46 = 1,955,471.14/x
  3. Step 3: Cross multiply
    5,999,921.68x = 9,000,817.46 × 1,955,471.14
  4. Step 4: Simplify right side
    5,999,921.68x = 17,600,838,779,438.11
  5. Step 5: Solve for x
    x = 17,600,838,779,438.11/5,999,921.68
  6. Step 6: Final answer
    x = 2,933,511.42

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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.