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Finding the Fourth Proportional to 48,232.40, 72,359.40 and 18,647.60

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Solution

The fourth proportional to 48,232.40, 72,359.40 and 18,647.60 is: 27,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,232.40 : 72,359.40 = 18,647.60 : x
  2. Step 2: Convert to fraction form
    48,232.40/72,359.40 = 18,647.60/x
  3. Step 3: Cross multiply
    48,232.40x = 72,359.40 × 18,647.60
  4. Step 4: Simplify right side
    48,232.40x = 1,349,329,147.44
  5. Step 5: Solve for x
    x = 1,349,329,147.44/48,232.40
  6. Step 6: Final answer
    x = 27,975.58

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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.