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Finding the Fourth Proportional to 9,786,600.40, 14,679,900.60 and 8,369,424.40

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Solution

The fourth proportional to 9,786,600.40, 14,679,900.60 and 8,369,424.40 is: 12,554,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,600.40 : 14,679,900.60 = 8,369,424.40 : x
  2. Step 2: Convert to fraction form
    9,786,600.40/14,679,900.60 = 8,369,424.40/x
  3. Step 3: Cross multiply
    9,786,600.40x = 14,679,900.60 × 8,369,424.40
  4. Step 4: Simplify right side
    9,786,600.40x = 122,862,318,271,214.64
  5. Step 5: Solve for x
    x = 122,862,318,271,214.64/9,786,600.40
  6. Step 6: Final answer
    x = 12,554,136.60

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Similar ratio
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1.5x scale

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.