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Finding the Fourth Proportional to 13,593.48, 18,750.34 and 9,822.18

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Solution

The fourth proportional to 13,593.48, 18,750.34 and 9,822.18 is: 13,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.48 : 18,750.34 = 9,822.18 : x
  2. Step 2: Convert to fraction form
    13,593.48/18,750.34 = 9,822.18/x
  3. Step 3: Cross multiply
    13,593.48x = 18,750.34 × 9,822.18
  4. Step 4: Simplify right side
    13,593.48x = 184,169,214.54
  5. Step 5: Solve for x
    x = 184,169,214.54/13,593.48
  6. Step 6: Final answer
    x = 13,548.35

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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.