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Finding the Fourth Proportional to 29,847.48, 44,772.48 and 10,128.12

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Solution

The fourth proportional to 29,847.48, 44,772.48 and 10,128.12 is: 15,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,847.48 : 44,772.48 = 10,128.12 : x
  2. Step 2: Convert to fraction form
    29,847.48/44,772.48 = 10,128.12/x
  3. Step 3: Cross multiply
    29,847.48x = 44,772.48 × 10,128.12
  4. Step 4: Simplify right side
    29,847.48x = 453,461,050.14
  5. Step 5: Solve for x
    x = 453,461,050.14/29,847.48
  6. Step 6: Final answer
    x = 15,192.61

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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.