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Finding the Fourth Proportional to 46,659,986.40, 69,980,648.40 and 22,398,866.40

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Solution

The fourth proportional to 46,659,986.40, 69,980,648.40 and 22,398,866.40 is: 33,593,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659,986.40 : 69,980,648.40 = 22,398,866.40 : x
  2. Step 2: Convert to fraction form
    46,659,986.40/69,980,648.40 = 22,398,866.40/x
  3. Step 3: Cross multiply
    46,659,986.40x = 69,980,648.40 × 22,398,866.40
  4. Step 4: Simplify right side
    46,659,986.40x = 1,567,487,194,096,973.75
  5. Step 5: Solve for x
    x = 1,567,487,194,096,973.75/46,659,986.40
  6. Step 6: Final answer
    x = 33,593,820.21

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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.