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Finding the Fourth Proportional to 37,887.88, 56,829.80 and 11,592.64

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Solution

The fourth proportional to 37,887.88, 56,829.80 and 11,592.64 is: 17,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.88 : 56,829.80 = 11,592.64 : x
  2. Step 2: Convert to fraction form
    37,887.88/56,829.80 = 11,592.64/x
  3. Step 3: Cross multiply
    37,887.88x = 56,829.80 × 11,592.64
  4. Step 4: Simplify right side
    37,887.88x = 658,807,412.67
  5. Step 5: Solve for x
    x = 658,807,412.67/37,887.88
  6. Step 6: Final answer
    x = 17,388.34

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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.