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Finding the Fourth Proportional to 29,387.40, 44,072.88 and 8,325.72

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Solution

The fourth proportional to 29,387.40, 44,072.88 and 8,325.72 is: 12,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.40 : 44,072.88 = 8,325.72 : x
  2. Step 2: Convert to fraction form
    29,387.40/44,072.88 = 8,325.72/x
  3. Step 3: Cross multiply
    29,387.40x = 44,072.88 × 8,325.72
  4. Step 4: Simplify right side
    29,387.40x = 366,938,458.47
  5. Step 5: Solve for x
    x = 366,938,458.47/29,387.40
  6. Step 6: Final answer
    x = 12,486.25

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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.