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Finding the Fourth Proportional to 29,920.95, 44,881.28 and 7,732.44

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Solution

The fourth proportional to 29,920.95, 44,881.28 and 7,732.44 is: 11,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.95 : 44,881.28 = 7,732.44 : x
  2. Step 2: Convert to fraction form
    29,920.95/44,881.28 = 7,732.44/x
  3. Step 3: Cross multiply
    29,920.95x = 44,881.28 × 7,732.44
  4. Step 4: Simplify right side
    29,920.95x = 347,041,804.72
  5. Step 5: Solve for x
    x = 347,041,804.72/29,920.95
  6. Step 6: Final answer
    x = 11,598.62

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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.