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Finding the Fourth Proportional to 36,903,946.40, 55,355,919.60 and 36,903,946.40

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Solution

The fourth proportional to 36,903,946.40, 55,355,919.60 and 36,903,946.40 is: 55,355,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903,946.40 : 55,355,919.60 = 36,903,946.40 : x
  2. Step 2: Convert to fraction form
    36,903,946.40/55,355,919.60 = 36,903,946.40/x
  3. Step 3: Cross multiply
    36,903,946.40x = 55,355,919.60 × 36,903,946.40
  4. Step 4: Simplify right side
    36,903,946.40x = 2,042,851,889,841,109.50
  5. Step 5: Solve for x
    x = 2,042,851,889,841,109.50/36,903,946.40
  6. Step 6: Final answer
    x = 55,355,919.60

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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.