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Finding the Fourth Proportional to 60,835.88, 83,953.32 and 33,978.39

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Solution

The fourth proportional to 60,835.88, 83,953.32 and 33,978.39 is: 46,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,835.88 : 83,953.32 = 33,978.39 : x
  2. Step 2: Convert to fraction form
    60,835.88/83,953.32 = 33,978.39/x
  3. Step 3: Cross multiply
    60,835.88x = 83,953.32 × 33,978.39
  4. Step 4: Simplify right side
    60,835.88x = 2,852,598,648.75
  5. Step 5: Solve for x
    x = 2,852,598,648.75/60,835.88
  6. Step 6: Final answer
    x = 46,890.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.