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Finding the Fourth Proportional to 5,335,398.62, 7,362,868.50 and 2,888,009.02

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Solution

The fourth proportional to 5,335,398.62, 7,362,868.50 and 2,888,009.02 is: 3,985,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,398.62 : 7,362,868.50 = 2,888,009.02 : x
  2. Step 2: Convert to fraction form
    5,335,398.62/7,362,868.50 = 2,888,009.02/x
  3. Step 3: Cross multiply
    5,335,398.62x = 7,362,868.50 × 2,888,009.02
  4. Step 4: Simplify right side
    5,335,398.62x = 21,264,030,654,137.99
  5. Step 5: Solve for x
    x = 21,264,030,654,137.99/5,335,398.62
  6. Step 6: Final answer
    x = 3,985,462.41

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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.