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Finding the Fourth Proportional to 22,133, 30,528.32 and 13,173.56

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Solution

The fourth proportional to 22,133, 30,528.32 and 13,173.56 is: 18,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133 : 30,528.32 = 13,173.56 : x
  2. Step 2: Convert to fraction form
    22,133/30,528.32 = 13,173.56/x
  3. Step 3: Cross multiply
    22,133x = 30,528.32 × 13,173.56
  4. Step 4: Simplify right side
    22,133x = 402,166,655.22
  5. Step 5: Solve for x
    x = 402,166,655.22/22,133
  6. Step 6: Final answer
    x = 18,170.45

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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.