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Finding the Fourth Proportional to 8,697,738.60, 13,046,607.90 and 5,674,429.80

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Solution

The fourth proportional to 8,697,738.60, 13,046,607.90 and 5,674,429.80 is: 8,511,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,738.60 : 13,046,607.90 = 5,674,429.80 : x
  2. Step 2: Convert to fraction form
    8,697,738.60/13,046,607.90 = 5,674,429.80/x
  3. Step 3: Cross multiply
    8,697,738.60x = 13,046,607.90 × 5,674,429.80
  4. Step 4: Simplify right side
    8,697,738.60x = 74,032,060,656,675.42
  5. Step 5: Solve for x
    x = 74,032,060,656,675.42/8,697,738.60
  6. Step 6: Final answer
    x = 8,511,644.70

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Similar ratio
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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.