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Finding the Fourth Proportional to 10,895,194.80, 16,300,801.80 and 7,116,058.80

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Solution

The fourth proportional to 10,895,194.80, 16,300,801.80 and 7,116,058.80 is: 10,646,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895,194.80 : 16,300,801.80 = 7,116,058.80 : x
  2. Step 2: Convert to fraction form
    10,895,194.80/16,300,801.80 = 7,116,058.80/x
  3. Step 3: Cross multiply
    10,895,194.80x = 16,300,801.80 × 7,116,058.80
  4. Step 4: Simplify right side
    10,895,194.80x = 115,997,464,095,945.84
  5. Step 5: Solve for x
    x = 115,997,464,095,945.84/10,895,194.80
  6. Step 6: Final answer
    x = 10,646,662.70

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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.