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Finding the Fourth Proportional to 5,654,979.09, 7,803,785.33 and 3,076,601.01

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Solution

The fourth proportional to 5,654,979.09, 7,803,785.33 and 3,076,601.01 is: 4,245,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654,979.09 : 7,803,785.33 = 3,076,601.01 : x
  2. Step 2: Convert to fraction form
    5,654,979.09/7,803,785.33 = 3,076,601.01/x
  3. Step 3: Cross multiply
    5,654,979.09x = 7,803,785.33 × 3,076,601.01
  4. Step 4: Simplify right side
    5,654,979.09x = 24,009,133,796,773.76
  5. Step 5: Solve for x
    x = 24,009,133,796,773.76/5,654,979.09
  6. Step 6: Final answer
    x = 4,245,662.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.