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Finding the Fourth Proportional to 29,943.72, 44,907.91 and 8,878.84

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Solution

The fourth proportional to 29,943.72, 44,907.91 and 8,878.84 is: 13,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,943.72 : 44,907.91 = 8,878.84 : x
  2. Step 2: Convert to fraction form
    29,943.72/44,907.91 = 8,878.84/x
  3. Step 3: Cross multiply
    29,943.72x = 44,907.91 × 8,878.84
  4. Step 4: Simplify right side
    29,943.72x = 398,730,013.16
  5. Step 5: Solve for x
    x = 398,730,013.16/29,943.72
  6. Step 6: Final answer
    x = 13,315.98

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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.