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Finding the Fourth Proportional to 9,471.08, 14,187.18 and 7,612.13

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Solution

The fourth proportional to 9,471.08, 14,187.18 and 7,612.13 is: 11,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.08 : 14,187.18 = 7,612.13 : x
  2. Step 2: Convert to fraction form
    9,471.08/14,187.18 = 7,612.13/x
  3. Step 3: Cross multiply
    9,471.08x = 14,187.18 × 7,612.13
  4. Step 4: Simplify right side
    9,471.08x = 107,994,658.49
  5. Step 5: Solve for x
    x = 107,994,658.49/9,471.08
  6. Step 6: Final answer
    x = 11,402.57

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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.