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Finding the Fourth Proportional to 6,008,647.68, 9,012,978.08 and 1,520,923.68

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Solution

The fourth proportional to 6,008,647.68, 9,012,978.08 and 1,520,923.68 is: 2,281,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,008,647.68 : 9,012,978.08 = 1,520,923.68 : x
  2. Step 2: Convert to fraction form
    6,008,647.68/9,012,978.08 = 1,520,923.68/x
  3. Step 3: Cross multiply
    6,008,647.68x = 9,012,978.08 × 1,520,923.68
  4. Step 4: Simplify right side
    6,008,647.68x = 13,708,051,789,192.93
  5. Step 5: Solve for x
    x = 13,708,051,789,192.93/6,008,647.68
  6. Step 6: Final answer
    x = 2,281,387.18

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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.