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Finding the Fourth Proportional to 9,360.16, 14,018.16 and 7,406.56

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Solution

The fourth proportional to 9,360.16, 14,018.16 and 7,406.56 is: 11,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.16 : 14,018.16 = 7,406.56 : x
  2. Step 2: Convert to fraction form
    9,360.16/14,018.16 = 7,406.56/x
  3. Step 3: Cross multiply
    9,360.16x = 14,018.16 × 7,406.56
  4. Step 4: Simplify right side
    9,360.16x = 103,826,343.13
  5. Step 5: Solve for x
    x = 103,826,343.13/9,360.16
  6. Step 6: Final answer
    x = 11,092.37

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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.