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Finding the Fourth Proportional to 27,216,007.20, 40,824,010.80 and 10,174,465.80

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Solution

The fourth proportional to 27,216,007.20, 40,824,010.80 and 10,174,465.80 is: 15,261,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216,007.20 : 40,824,010.80 = 10,174,465.80 : x
  2. Step 2: Convert to fraction form
    27,216,007.20/40,824,010.80 = 10,174,465.80/x
  3. Step 3: Cross multiply
    27,216,007.20x = 40,824,010.80 × 10,174,465.80
  4. Step 4: Simplify right side
    27,216,007.20x = 415,362,501,703,430.62
  5. Step 5: Solve for x
    x = 415,362,501,703,430.62/27,216,007.20
  6. Step 6: Final answer
    x = 15,261,698.70

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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.