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Finding the Fourth Proportional to 8,980,037.60, 13,470,056.40 and 8,980,037.60

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Solution

The fourth proportional to 8,980,037.60, 13,470,056.40 and 8,980,037.60 is: 13,470,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980,037.60 : 13,470,056.40 = 8,980,037.60 : x
  2. Step 2: Convert to fraction form
    8,980,037.60/13,470,056.40 = 8,980,037.60/x
  3. Step 3: Cross multiply
    8,980,037.60x = 13,470,056.40 × 8,980,037.60
  4. Step 4: Simplify right side
    8,980,037.60x = 120,961,612,946,120.64
  5. Step 5: Solve for x
    x = 120,961,612,946,120.64/8,980,037.60
  6. Step 6: Final answer
    x = 13,470,056.40

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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.