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Finding the Fourth Proportional to 21,222.48, 32,033.16 and 21,222.48

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Solution

The fourth proportional to 21,222.48, 32,033.16 and 21,222.48 is: 32,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222.48 : 32,033.16 = 21,222.48 : x
  2. Step 2: Convert to fraction form
    21,222.48/32,033.16 = 21,222.48/x
  3. Step 3: Cross multiply
    21,222.48x = 32,033.16 × 21,222.48
  4. Step 4: Simplify right side
    21,222.48x = 679,823,097.44
  5. Step 5: Solve for x
    x = 679,823,097.44/21,222.48
  6. Step 6: Final answer
    x = 32,033.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.