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Finding the Fourth Proportional to 91,592.60, 126,470.84 and 60,995.56

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Solution

The fourth proportional to 91,592.60, 126,470.84 and 60,995.56 is: 84,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,592.60 : 126,470.84 = 60,995.56 : x
  2. Step 2: Convert to fraction form
    91,592.60/126,470.84 = 60,995.56/x
  3. Step 3: Cross multiply
    91,592.60x = 126,470.84 × 60,995.56
  4. Step 4: Simplify right side
    91,592.60x = 7,714,159,709.47
  5. Step 5: Solve for x
    x = 7,714,159,709.47/91,592.60
  6. Step 6: Final answer
    x = 84,222.52

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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.