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Finding the Fourth Proportional to 3,576,692.64, 4,935,422.16 and 2,048,708.64

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Solution

The fourth proportional to 3,576,692.64, 4,935,422.16 and 2,048,708.64 is: 2,826,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576,692.64 : 4,935,422.16 = 2,048,708.64 : x
  2. Step 2: Convert to fraction form
    3,576,692.64/4,935,422.16 = 2,048,708.64/x
  3. Step 3: Cross multiply
    3,576,692.64x = 4,935,422.16 × 2,048,708.64
  4. Step 4: Simplify right side
    3,576,692.64x = 10,111,242,021,239.46
  5. Step 5: Solve for x
    x = 10,111,242,021,239.46/3,576,692.64
  6. Step 6: Final answer
    x = 2,826,980.97

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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.