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Finding the Fourth Proportional to 5,886,013.80, 8,829,020.70 and 4,185,402.60

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Solution

The fourth proportional to 5,886,013.80, 8,829,020.70 and 4,185,402.60 is: 6,278,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886,013.80 : 8,829,020.70 = 4,185,402.60 : x
  2. Step 2: Convert to fraction form
    5,886,013.80/8,829,020.70 = 4,185,402.60/x
  3. Step 3: Cross multiply
    5,886,013.80x = 8,829,020.70 × 4,185,402.60
  4. Step 4: Simplify right side
    5,886,013.80x = 36,953,006,193,233.82
  5. Step 5: Solve for x
    x = 36,953,006,193,233.82/5,886,013.80
  6. Step 6: Final answer
    x = 6,278,103.90

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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.