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Finding the Fourth Proportional to 6,546,578.72, 9,819,262.18 and 3,087,525.26

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Solution

The fourth proportional to 6,546,578.72, 9,819,262.18 and 3,087,525.26 is: 4,631,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,546,578.72 : 9,819,262.18 = 3,087,525.26 : x
  2. Step 2: Convert to fraction form
    6,546,578.72/9,819,262.18 = 3,087,525.26/x
  3. Step 3: Cross multiply
    6,546,578.72x = 9,819,262.18 × 3,087,525.26
  4. Step 4: Simplify right side
    6,546,578.72x = 30,317,219,999,875.04
  5. Step 5: Solve for x
    x = 30,317,219,999,875.04/6,546,578.72
  6. Step 6: Final answer
    x = 4,631,002.13

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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.