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Finding the Fourth Proportional to 9,741.90, 14,616.45 and 9,381.90

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Solution

The fourth proportional to 9,741.90, 14,616.45 and 9,381.90 is: 14,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.90 : 14,616.45 = 9,381.90 : x
  2. Step 2: Convert to fraction form
    9,741.90/14,616.45 = 9,381.90/x
  3. Step 3: Cross multiply
    9,741.90x = 14,616.45 × 9,381.90
  4. Step 4: Simplify right side
    9,741.90x = 137,130,072.26
  5. Step 5: Solve for x
    x = 137,130,072.26/9,741.90
  6. Step 6: Final answer
    x = 14,076.32

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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.