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Finding the Fourth Proportional to 14,573,625.30, 21,860,437.95 and 12,894,009.30

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Solution

The fourth proportional to 14,573,625.30, 21,860,437.95 and 12,894,009.30 is: 19,341,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,625.30 : 21,860,437.95 = 12,894,009.30 : x
  2. Step 2: Convert to fraction form
    14,573,625.30/21,860,437.95 = 12,894,009.30/x
  3. Step 3: Cross multiply
    14,573,625.30x = 21,860,437.95 × 12,894,009.30
  4. Step 4: Simplify right side
    14,573,625.30x = 281,868,690,229,372.94
  5. Step 5: Solve for x
    x = 281,868,690,229,372.94/14,573,625.30
  6. Step 6: Final answer
    x = 19,341,013.95

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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.