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Finding the Fourth Proportional to 13,444.53, 18,553.03 and 7,476.04

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Solution

The fourth proportional to 13,444.53, 18,553.03 and 7,476.04 is: 10,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.53 : 18,553.03 = 7,476.04 : x
  2. Step 2: Convert to fraction form
    13,444.53/18,553.03 = 7,476.04/x
  3. Step 3: Cross multiply
    13,444.53x = 18,553.03 × 7,476.04
  4. Step 4: Simplify right side
    13,444.53x = 138,703,194.40
  5. Step 5: Solve for x
    x = 138,703,194.40/13,444.53
  6. Step 6: Final answer
    x = 10,316.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.