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Finding the Fourth Proportional to 30,433.44, 45,656.40 and 11,713.44

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Solution

The fourth proportional to 30,433.44, 45,656.40 and 11,713.44 is: 17,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.44 : 45,656.40 = 11,713.44 : x
  2. Step 2: Convert to fraction form
    30,433.44/45,656.40 = 11,713.44/x
  3. Step 3: Cross multiply
    30,433.44x = 45,656.40 × 11,713.44
  4. Step 4: Simplify right side
    30,433.44x = 534,793,502.02
  5. Step 5: Solve for x
    x = 534,793,502.02/30,433.44
  6. Step 6: Final answer
    x = 17,572.56

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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.