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Finding the Fourth Proportional to 14,535.01, 20,054.60 and 8,869.38

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Solution

The fourth proportional to 14,535.01, 20,054.60 and 8,869.38 is: 12,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.01 : 20,054.60 = 8,869.38 : x
  2. Step 2: Convert to fraction form
    14,535.01/20,054.60 = 8,869.38/x
  3. Step 3: Cross multiply
    14,535.01x = 20,054.60 × 8,869.38
  4. Step 4: Simplify right side
    14,535.01x = 177,871,868.15
  5. Step 5: Solve for x
    x = 177,871,868.15/14,535.01
  6. Step 6: Final answer
    x = 12,237.48

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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.