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Finding the Fourth Proportional to 5,866,429.20, 8,799,643.80 and 5,299,558.80

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Solution

The fourth proportional to 5,866,429.20, 8,799,643.80 and 5,299,558.80 is: 7,949,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866,429.20 : 8,799,643.80 = 5,299,558.80 : x
  2. Step 2: Convert to fraction form
    5,866,429.20/8,799,643.80 = 5,299,558.80/x
  3. Step 3: Cross multiply
    5,866,429.20x = 8,799,643.80 × 5,299,558.80
  4. Step 4: Simplify right side
    5,866,429.20x = 46,634,229,737,155.45
  5. Step 5: Solve for x
    x = 46,634,229,737,155.45/5,866,429.20
  6. Step 6: Final answer
    x = 7,949,338.20

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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.