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Finding the Fourth Proportional to 9,541.13, 14,312.21 and 9,015.22

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Solution

The fourth proportional to 9,541.13, 14,312.21 and 9,015.22 is: 13,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,541.13 : 14,312.21 = 9,015.22 : x
  2. Step 2: Convert to fraction form
    9,541.13/14,312.21 = 9,015.22/x
  3. Step 3: Cross multiply
    9,541.13x = 14,312.21 × 9,015.22
  4. Step 4: Simplify right side
    9,541.13x = 129,027,747.58
  5. Step 5: Solve for x
    x = 129,027,747.58/9,541.13
  6. Step 6: Final answer
    x = 13,523.32

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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.