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Finding the Fourth Proportional to 22,333.59, 30,823.16 and 12,900.33

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Solution

The fourth proportional to 22,333.59, 30,823.16 and 12,900.33 is: 17,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.59 : 30,823.16 = 12,900.33 : x
  2. Step 2: Convert to fraction form
    22,333.59/30,823.16 = 12,900.33/x
  3. Step 3: Cross multiply
    22,333.59x = 30,823.16 × 12,900.33
  4. Step 4: Simplify right side
    22,333.59x = 397,628,871.14
  5. Step 5: Solve for x
    x = 397,628,871.14/22,333.59
  6. Step 6: Final answer
    x = 17,804.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.