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Finding the Fourth Proportional to 12,662,161.50, 17,473,798.35 and 6,860,938.62

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Solution

The fourth proportional to 12,662,161.50, 17,473,798.35 and 6,860,938.62 is: 9,468,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,161.50 : 17,473,798.35 = 6,860,938.62 : x
  2. Step 2: Convert to fraction form
    12,662,161.50/17,473,798.35 = 6,860,938.62/x
  3. Step 3: Cross multiply
    12,662,161.50x = 17,473,798.35 × 6,860,938.62
  4. Step 4: Simplify right side
    12,662,161.50x = 119,886,657,937,607.30
  5. Step 5: Solve for x
    x = 119,886,657,937,607.30/12,662,161.50
  6. Step 6: Final answer
    x = 9,468,103.68

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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.