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Finding the Fourth Proportional to 45,687.41, 68,365.04 and 37,715.80

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Solution

The fourth proportional to 45,687.41, 68,365.04 and 37,715.80 is: 56,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687.41 : 68,365.04 = 37,715.80 : x
  2. Step 2: Convert to fraction form
    45,687.41/68,365.04 = 37,715.80/x
  3. Step 3: Cross multiply
    45,687.41x = 68,365.04 × 37,715.80
  4. Step 4: Simplify right side
    45,687.41x = 2,578,442,175.63
  5. Step 5: Solve for x
    x = 2,578,442,175.63/45,687.41
  6. Step 6: Final answer
    x = 56,436.60

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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.