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Finding the Fourth Proportional to 9,882,806.80, 14,817,211.80 and 4,494,038.80

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Solution

The fourth proportional to 9,882,806.80, 14,817,211.80 and 4,494,038.80 is: 6,737,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882,806.80 : 14,817,211.80 = 4,494,038.80 : x
  2. Step 2: Convert to fraction form
    9,882,806.80/14,817,211.80 = 4,494,038.80/x
  3. Step 3: Cross multiply
    9,882,806.80x = 14,817,211.80 × 4,494,038.80
  4. Step 4: Simplify right side
    9,882,806.80x = 66,589,124,737,017.84
  5. Step 5: Solve for x
    x = 66,589,124,737,017.84/9,882,806.80
  6. Step 6: Final answer
    x = 6,737,875.80

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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.