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Finding the Fourth Proportional to 18,133, 27,203.40 and 5,652.76

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Solution

The fourth proportional to 18,133, 27,203.40 and 5,652.76 is: 8,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133 : 27,203.40 = 5,652.76 : x
  2. Step 2: Convert to fraction form
    18,133/27,203.40 = 5,652.76/x
  3. Step 3: Cross multiply
    18,133x = 27,203.40 × 5,652.76
  4. Step 4: Simplify right side
    18,133x = 153,774,291.38
  5. Step 5: Solve for x
    x = 153,774,291.38/18,133
  6. Step 6: Final answer
    x = 8,480.36

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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.