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Finding the Fourth Proportional to 28,960.78, 43,444.59 and 9,232.42

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Solution

The fourth proportional to 28,960.78, 43,444.59 and 9,232.42 is: 13,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.78 : 43,444.59 = 9,232.42 : x
  2. Step 2: Convert to fraction form
    28,960.78/43,444.59 = 9,232.42/x
  3. Step 3: Cross multiply
    28,960.78x = 43,444.59 × 9,232.42
  4. Step 4: Simplify right side
    28,960.78x = 401,098,701.61
  5. Step 5: Solve for x
    x = 401,098,701.61/28,960.78
  6. Step 6: Final answer
    x = 13,849.72

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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.