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Finding the Fourth Proportional to 8,605,487.04, 12,905,222.04 and 2,538,607.92

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Solution

The fourth proportional to 8,605,487.04, 12,905,222.04 and 2,538,607.92 is: 3,807,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605,487.04 : 12,905,222.04 = 2,538,607.92 : x
  2. Step 2: Convert to fraction form
    8,605,487.04/12,905,222.04 = 2,538,607.92/x
  3. Step 3: Cross multiply
    8,605,487.04x = 12,905,222.04 × 2,538,607.92
  4. Step 4: Simplify right side
    8,605,487.04x = 32,761,298,880,102.55
  5. Step 5: Solve for x
    x = 32,761,298,880,102.55/8,605,487.04
  6. Step 6: Final answer
    x = 3,807,024.37

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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.