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Finding the Fourth Proportional to 11,544.88, 17,220.08 and 9,674.32

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Solution

The fourth proportional to 11,544.88, 17,220.08 and 9,674.32 is: 14,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.88 : 17,220.08 = 9,674.32 : x
  2. Step 2: Convert to fraction form
    11,544.88/17,220.08 = 9,674.32/x
  3. Step 3: Cross multiply
    11,544.88x = 17,220.08 × 9,674.32
  4. Step 4: Simplify right side
    11,544.88x = 166,592,564.35
  5. Step 5: Solve for x
    x = 166,592,564.35/11,544.88
  6. Step 6: Final answer
    x = 14,430.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.