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Finding the Fourth Proportional to 13,264.37, 18,304.01 and 7,962.11

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Solution

The fourth proportional to 13,264.37, 18,304.01 and 7,962.11 is: 10,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.37 : 18,304.01 = 7,962.11 : x
  2. Step 2: Convert to fraction form
    13,264.37/18,304.01 = 7,962.11/x
  3. Step 3: Cross multiply
    13,264.37x = 18,304.01 × 7,962.11
  4. Step 4: Simplify right side
    13,264.37x = 145,738,508.23
  5. Step 5: Solve for x
    x = 145,738,508.23/13,264.37
  6. Step 6: Final answer
    x = 10,987.22

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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.