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Finding the Fourth Proportional to 47,299,014.80, 70,959,019.80 and 21,733,859.60

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Solution

The fourth proportional to 47,299,014.80, 70,959,019.80 and 21,733,859.60 is: 32,605,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,299,014.80 : 70,959,019.80 = 21,733,859.60 : x
  2. Step 2: Convert to fraction form
    47,299,014.80/70,959,019.80 = 21,733,859.60/x
  3. Step 3: Cross multiply
    47,299,014.80x = 70,959,019.80 × 21,733,859.60
  4. Step 4: Simplify right side
    47,299,014.80x = 1,542,213,373,686,820
  5. Step 5: Solve for x
    x = 1,542,213,373,686,820/47,299,014.80
  6. Step 6: Final answer
    x = 32,605,613.04

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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.