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Finding the Fourth Proportional to 6,572,597.60, 9,859,933.20 and 2,085,327.20

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Solution

The fourth proportional to 6,572,597.60, 9,859,933.20 and 2,085,327.20 is: 3,128,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572,597.60 : 9,859,933.20 = 2,085,327.20 : x
  2. Step 2: Convert to fraction form
    6,572,597.60/9,859,933.20 = 2,085,327.20/x
  3. Step 3: Cross multiply
    6,572,597.60x = 9,859,933.20 × 2,085,327.20
  4. Step 4: Simplify right side
    6,572,597.60x = 20,561,186,892,143.04
  5. Step 5: Solve for x
    x = 20,561,186,892,143.04/6,572,597.60
  6. Step 6: Final answer
    x = 3,128,319.75

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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.