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Finding the Fourth Proportional to 55,101.30, 82,651.95 and 13,548.30

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Solution

The fourth proportional to 55,101.30, 82,651.95 and 13,548.30 is: 20,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.30 : 82,651.95 = 13,548.30 : x
  2. Step 2: Convert to fraction form
    55,101.30/82,651.95 = 13,548.30/x
  3. Step 3: Cross multiply
    55,101.30x = 82,651.95 × 13,548.30
  4. Step 4: Simplify right side
    55,101.30x = 1,119,793,414.19
  5. Step 5: Solve for x
    x = 1,119,793,414.19/55,101.30
  6. Step 6: Final answer
    x = 20,322.45

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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.