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Finding the Fourth Proportional to 14,573,619.20, 21,860,428.80 and 10,227,612.80

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Solution

The fourth proportional to 14,573,619.20, 21,860,428.80 and 10,227,612.80 is: 15,341,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,619.20 : 21,860,428.80 = 10,227,612.80 : x
  2. Step 2: Convert to fraction form
    14,573,619.20/21,860,428.80 = 10,227,612.80/x
  3. Step 3: Cross multiply
    14,573,619.20x = 21,860,428.80 × 10,227,612.80
  4. Step 4: Simplify right side
    14,573,619.20x = 223,580,001,408,368.66
  5. Step 5: Solve for x
    x = 223,580,001,408,368.66/14,573,619.20
  6. Step 6: Final answer
    x = 15,341,419.20

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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.