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Finding the Fourth Proportional to 6,458,890.03, 9,681,681.04 and 2,866,348.87

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Solution

The fourth proportional to 6,458,890.03, 9,681,681.04 and 2,866,348.87 is: 4,296,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458,890.03 : 9,681,681.04 = 2,866,348.87 : x
  2. Step 2: Convert to fraction form
    6,458,890.03/9,681,681.04 = 2,866,348.87/x
  3. Step 3: Cross multiply
    6,458,890.03x = 9,681,681.04 × 2,866,348.87
  4. Step 4: Simplify right side
    6,458,890.03x = 27,751,075,508,704.42
  5. Step 5: Solve for x
    x = 27,751,075,508,704.42/6,458,890.03
  6. Step 6: Final answer
    x = 4,296,570.37

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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.