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Finding the Fourth Proportional to 22,356.16, 33,510.48 and 10,644.64

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Solution

The fourth proportional to 22,356.16, 33,510.48 and 10,644.64 is: 15,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.16 : 33,510.48 = 10,644.64 : x
  2. Step 2: Convert to fraction form
    22,356.16/33,510.48 = 10,644.64/x
  3. Step 3: Cross multiply
    22,356.16x = 33,510.48 × 10,644.64
  4. Step 4: Simplify right side
    22,356.16x = 356,706,995.83
  5. Step 5: Solve for x
    x = 356,706,995.83/22,356.16
  6. Step 6: Final answer
    x = 15,955.65

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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.