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Finding the Fourth Proportional to 7,368,751.80, 11,053,127.70 and 4,126,961.70

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Solution

The fourth proportional to 7,368,751.80, 11,053,127.70 and 4,126,961.70 is: 6,190,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368,751.80 : 11,053,127.70 = 4,126,961.70 : x
  2. Step 2: Convert to fraction form
    7,368,751.80/11,053,127.70 = 4,126,961.70/x
  3. Step 3: Cross multiply
    7,368,751.80x = 11,053,127.70 × 4,126,961.70
  4. Step 4: Simplify right side
    7,368,751.80x = 45,615,834,683,109.09
  5. Step 5: Solve for x
    x = 45,615,834,683,109.09/7,368,751.80
  6. Step 6: Final answer
    x = 6,190,442.55

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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.