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Finding the Fourth Proportional to 30,409,706.46, 41,966,443.80 and 16,658,671.80

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Solution

The fourth proportional to 30,409,706.46, 41,966,443.80 and 16,658,671.80 is: 22,989,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,706.46 : 41,966,443.80 = 16,658,671.80 : x
  2. Step 2: Convert to fraction form
    30,409,706.46/41,966,443.80 = 16,658,671.80/x
  3. Step 3: Cross multiply
    30,409,706.46x = 41,966,443.80 × 16,658,671.80
  4. Step 4: Simplify right side
    30,409,706.46x = 699,105,213,877,344.88
  5. Step 5: Solve for x
    x = 699,105,213,877,344.88/30,409,706.46
  6. Step 6: Final answer
    x = 22,989,541.67

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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.