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Finding the Fourth Proportional to 29,968.48, 44,952.72 and 10,247.20

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Solution

The fourth proportional to 29,968.48, 44,952.72 and 10,247.20 is: 15,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,968.48 : 44,952.72 = 10,247.20 : x
  2. Step 2: Convert to fraction form
    29,968.48/44,952.72 = 10,247.20/x
  3. Step 3: Cross multiply
    29,968.48x = 44,952.72 × 10,247.20
  4. Step 4: Simplify right side
    29,968.48x = 460,639,512.38
  5. Step 5: Solve for x
    x = 460,639,512.38/29,968.48
  6. Step 6: Final answer
    x = 15,370.80

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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.