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Finding the Fourth Proportional to 28,663.44, 43,007.48 and 14,822.16

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Solution

The fourth proportional to 28,663.44, 43,007.48 and 14,822.16 is: 22,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.44 : 43,007.48 = 14,822.16 : x
  2. Step 2: Convert to fraction form
    28,663.44/43,007.48 = 14,822.16/x
  3. Step 3: Cross multiply
    28,663.44x = 43,007.48 × 14,822.16
  4. Step 4: Simplify right side
    28,663.44x = 637,463,749.76
  5. Step 5: Solve for x
    x = 637,463,749.76/28,663.44
  6. Step 6: Final answer
    x = 22,239.61

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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.