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Finding the Fourth Proportional to 5,652,124.60, 8,479,509.90 and 1,865,603.80

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Solution

The fourth proportional to 5,652,124.60, 8,479,509.90 and 1,865,603.80 is: 2,798,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652,124.60 : 8,479,509.90 = 1,865,603.80 : x
  2. Step 2: Convert to fraction form
    5,652,124.60/8,479,509.90 = 1,865,603.80/x
  3. Step 3: Cross multiply
    5,652,124.60x = 8,479,509.90 × 1,865,603.80
  4. Step 4: Simplify right side
    5,652,124.60x = 15,819,405,891,577.62
  5. Step 5: Solve for x
    x = 15,819,405,891,577.62/5,652,124.60
  6. Step 6: Final answer
    x = 2,798,842.38

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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.