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Finding the Fourth Proportional to 29,420.82, 44,130.84 and 7,234.40

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Solution

The fourth proportional to 29,420.82, 44,130.84 and 7,234.40 is: 10,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.82 : 44,130.84 = 7,234.40 : x
  2. Step 2: Convert to fraction form
    29,420.82/44,130.84 = 7,234.40/x
  3. Step 3: Cross multiply
    29,420.82x = 44,130.84 × 7,234.40
  4. Step 4: Simplify right side
    29,420.82x = 319,259,928.24
  5. Step 5: Solve for x
    x = 319,259,928.24/29,420.82
  6. Step 6: Final answer
    x = 10,851.50

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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.