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Finding the Fourth Proportional to 30,566.70, 45,640.92 and 27,383.64

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Solution

The fourth proportional to 30,566.70, 45,640.92 and 27,383.64 is: 40,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.70 : 45,640.92 = 27,383.64 : x
  2. Step 2: Convert to fraction form
    30,566.70/45,640.92 = 27,383.64/x
  3. Step 3: Cross multiply
    30,566.70x = 45,640.92 × 27,383.64
  4. Step 4: Simplify right side
    30,566.70x = 1,249,814,522.55
  5. Step 5: Solve for x
    x = 1,249,814,522.55/30,566.70
  6. Step 6: Final answer
    x = 40,888.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.