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Finding the Fourth Proportional to 53,970.90, 80,883.45 and 36,150.90

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Solution

The fourth proportional to 53,970.90, 80,883.45 and 36,150.90 is: 54,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.90 : 80,883.45 = 36,150.90 : x
  2. Step 2: Convert to fraction form
    53,970.90/80,883.45 = 36,150.90/x
  3. Step 3: Cross multiply
    53,970.90x = 80,883.45 × 36,150.90
  4. Step 4: Simplify right side
    53,970.90x = 2,924,009,512.61
  5. Step 5: Solve for x
    x = 2,924,009,512.61/53,970.90
  6. Step 6: Final answer
    x = 54,177.52

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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.