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Finding the Fourth Proportional to 5,658,339.42, 8,487,511.83 and 1,871,822.30

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Solution

The fourth proportional to 5,658,339.42, 8,487,511.83 and 1,871,822.30 is: 2,807,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658,339.42 : 8,487,511.83 = 1,871,822.30 : x
  2. Step 2: Convert to fraction form
    5,658,339.42/8,487,511.83 = 1,871,822.30/x
  3. Step 3: Cross multiply
    5,658,339.42x = 8,487,511.83 × 1,871,822.30
  4. Step 4: Simplify right side
    5,658,339.42x = 15,887,113,872,470.25
  5. Step 5: Solve for x
    x = 15,887,113,872,470.25/5,658,339.42
  6. Step 6: Final answer
    x = 2,807,734.34

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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.