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Finding the Fourth Proportional to 8,889,671.55, 13,334,507.33 and 6,019,890.15

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Solution

The fourth proportional to 8,889,671.55, 13,334,507.33 and 6,019,890.15 is: 9,029,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,671.55 : 13,334,507.33 = 6,019,890.15 : x
  2. Step 2: Convert to fraction form
    8,889,671.55/13,334,507.33 = 6,019,890.15/x
  3. Step 3: Cross multiply
    8,889,671.55x = 13,334,507.33 × 6,019,890.15
  4. Step 4: Simplify right side
    8,889,671.55x = 80,272,269,300,870.34
  5. Step 5: Solve for x
    x = 80,272,269,300,870.34/8,889,671.55
  6. Step 6: Final answer
    x = 9,029,835.23

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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.