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Finding the Fourth Proportional to 15,972.35, 22,030.11 and 10,304.22

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Solution

The fourth proportional to 15,972.35, 22,030.11 and 10,304.22 is: 14,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.35 : 22,030.11 = 10,304.22 : x
  2. Step 2: Convert to fraction form
    15,972.35/22,030.11 = 10,304.22/x
  3. Step 3: Cross multiply
    15,972.35x = 22,030.11 × 10,304.22
  4. Step 4: Simplify right side
    15,972.35x = 227,003,100.06
  5. Step 5: Solve for x
    x = 227,003,100.06/15,972.35
  6. Step 6: Final answer
    x = 14,212.25

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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.