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Finding the Fourth Proportional to 18,501.74, 27,752.54 and 6,655.49

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Solution

The fourth proportional to 18,501.74, 27,752.54 and 6,655.49 is: 9,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.74 : 27,752.54 = 6,655.49 : x
  2. Step 2: Convert to fraction form
    18,501.74/27,752.54 = 6,655.49/x
  3. Step 3: Cross multiply
    18,501.74x = 27,752.54 × 6,655.49
  4. Step 4: Simplify right side
    18,501.74x = 184,706,752.44
  5. Step 5: Solve for x
    x = 184,706,752.44/18,501.74
  6. Step 6: Final answer
    x = 9,983.21

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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.