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Finding the Fourth Proportional to 56,588,892.80, 84,883,339.20 and 40,149,651.20

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Solution

The fourth proportional to 56,588,892.80, 84,883,339.20 and 40,149,651.20 is: 60,224,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,588,892.80 : 84,883,339.20 = 40,149,651.20 : x
  2. Step 2: Convert to fraction form
    56,588,892.80/84,883,339.20 = 40,149,651.20/x
  3. Step 3: Cross multiply
    56,588,892.80x = 84,883,339.20 × 40,149,651.20
  4. Step 4: Simplify right side
    56,588,892.80x = 3,408,036,461,571,287.50
  5. Step 5: Solve for x
    x = 3,408,036,461,571,287.50/56,588,892.80
  6. Step 6: Final answer
    x = 60,224,476.80

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1.5x scale

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.