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Finding the Fourth Proportional to 15,972.33, 22,040.93 and 8,802.01

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Solution

The fourth proportional to 15,972.33, 22,040.93 and 8,802.01 is: 12,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.33 : 22,040.93 = 8,802.01 : x
  2. Step 2: Convert to fraction form
    15,972.33/22,040.93 = 8,802.01/x
  3. Step 3: Cross multiply
    15,972.33x = 22,040.93 × 8,802.01
  4. Step 4: Simplify right side
    15,972.33x = 194,004,453.17
  5. Step 5: Solve for x
    x = 194,004,453.17/15,972.33
  6. Step 6: Final answer
    x = 12,146.28

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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.