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Finding the Fourth Proportional to 45,572.80, 68,235.68 and 23,638.72

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Solution

The fourth proportional to 45,572.80, 68,235.68 and 23,638.72 is: 35,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,572.80 : 68,235.68 = 23,638.72 : x
  2. Step 2: Convert to fraction form
    45,572.80/68,235.68 = 23,638.72/x
  3. Step 3: Cross multiply
    45,572.80x = 68,235.68 × 23,638.72
  4. Step 4: Simplify right side
    45,572.80x = 1,613,004,133.53
  5. Step 5: Solve for x
    x = 1,613,004,133.53/45,572.80
  6. Step 6: Final answer
    x = 35,394.01

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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.