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Finding the Fourth Proportional to 8,342,212.40, 11,704,291.60 and 8,342,212.40

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Solution

The fourth proportional to 8,342,212.40, 11,704,291.60 and 8,342,212.40 is: 11,704,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,212.40 : 11,704,291.60 = 8,342,212.40 : x
  2. Step 2: Convert to fraction form
    8,342,212.40/11,704,291.60 = 8,342,212.40/x
  3. Step 3: Cross multiply
    8,342,212.40x = 11,704,291.60 × 8,342,212.40
  4. Step 4: Simplify right side
    8,342,212.40x = 97,639,686,518,735.84
  5. Step 5: Solve for x
    x = 97,639,686,518,735.84/8,342,212.40
  6. Step 6: Final answer
    x = 11,704,291.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.