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Finding the Fourth Proportional to 9,961,808.40, 14,942,712.60 and 9,961,808.40

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Solution

The fourth proportional to 9,961,808.40, 14,942,712.60 and 9,961,808.40 is: 14,942,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961,808.40 : 14,942,712.60 = 9,961,808.40 : x
  2. Step 2: Convert to fraction form
    9,961,808.40/14,942,712.60 = 9,961,808.40/x
  3. Step 3: Cross multiply
    9,961,808.40x = 14,942,712.60 × 9,961,808.40
  4. Step 4: Simplify right side
    9,961,808.40x = 148,856,439,897,465.84
  5. Step 5: Solve for x
    x = 148,856,439,897,465.84/9,961,808.40
  6. Step 6: Final answer
    x = 14,942,712.60

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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.