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Finding the Fourth Proportional to 8,581,208.80, 12,871,813.20 and 4,536,133.60

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Solution

The fourth proportional to 8,581,208.80, 12,871,813.20 and 4,536,133.60 is: 6,804,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,208.80 : 12,871,813.20 = 4,536,133.60 : x
  2. Step 2: Convert to fraction form
    8,581,208.80/12,871,813.20 = 4,536,133.60/x
  3. Step 3: Cross multiply
    8,581,208.80x = 12,871,813.20 × 4,536,133.60
  4. Step 4: Simplify right side
    8,581,208.80x = 58,388,264,349,443.52
  5. Step 5: Solve for x
    x = 58,388,264,349,443.52/8,581,208.80
  6. Step 6: Final answer
    x = 6,804,200.40

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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.