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Finding the Fourth Proportional to 14,573,629.30, 21,860,443.95 and 12,894,013.30

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Solution

The fourth proportional to 14,573,629.30, 21,860,443.95 and 12,894,013.30 is: 19,341,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,629.30 : 21,860,443.95 = 12,894,013.30 : x
  2. Step 2: Convert to fraction form
    14,573,629.30/21,860,443.95 = 12,894,013.30/x
  3. Step 3: Cross multiply
    14,573,629.30x = 21,860,443.95 × 12,894,013.30
  4. Step 4: Simplify right side
    14,573,629.30x = 281,868,855,035,204.56
  5. Step 5: Solve for x
    x = 281,868,855,035,204.56/14,573,629.30
  6. Step 6: Final answer
    x = 19,341,019.95

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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.