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Finding the Fourth Proportional to 67,687.30, 93,405.44 and 37,470.49

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Solution

The fourth proportional to 67,687.30, 93,405.44 and 37,470.49 is: 51,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.30 : 93,405.44 = 37,470.49 : x
  2. Step 2: Convert to fraction form
    67,687.30/93,405.44 = 37,470.49/x
  3. Step 3: Cross multiply
    67,687.30x = 93,405.44 × 37,470.49
  4. Step 4: Simplify right side
    67,687.30x = 3,499,947,465.63
  5. Step 5: Solve for x
    x = 3,499,947,465.63/67,687.30
  6. Step 6: Final answer
    x = 51,707.60

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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.