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Finding the Fourth Proportional to 8,169,323.40, 12,253,985.10 and 2,104,043.40

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Solution

The fourth proportional to 8,169,323.40, 12,253,985.10 and 2,104,043.40 is: 3,156,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,323.40 : 12,253,985.10 = 2,104,043.40 : x
  2. Step 2: Convert to fraction form
    8,169,323.40/12,253,985.10 = 2,104,043.40/x
  3. Step 3: Cross multiply
    8,169,323.40x = 12,253,985.10 × 2,104,043.40
  4. Step 4: Simplify right side
    8,169,323.40x = 25,782,916,473,353.34
  5. Step 5: Solve for x
    x = 25,782,916,473,353.34/8,169,323.40
  6. Step 6: Final answer
    x = 3,156,065.10

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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.