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Finding the Fourth Proportional to 11,490.51, 17,223.58 and 6,549.51

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Solution

The fourth proportional to 11,490.51, 17,223.58 and 6,549.51 is: 9,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.51 : 17,223.58 = 6,549.51 : x
  2. Step 2: Convert to fraction form
    11,490.51/17,223.58 = 6,549.51/x
  3. Step 3: Cross multiply
    11,490.51x = 17,223.58 × 6,549.51
  4. Step 4: Simplify right side
    11,490.51x = 112,806,009.45
  5. Step 5: Solve for x
    x = 112,806,009.45/11,490.51
  6. Step 6: Final answer
    x = 9,817.32

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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.