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Finding the Fourth Proportional to 29,975.72, 44,963.55 and 8,915.68

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Solution

The fourth proportional to 29,975.72, 44,963.55 and 8,915.68 is: 13,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.72 : 44,963.55 = 8,915.68 : x
  2. Step 2: Convert to fraction form
    29,975.72/44,963.55 = 8,915.68/x
  3. Step 3: Cross multiply
    29,975.72x = 44,963.55 × 8,915.68
  4. Step 4: Simplify right side
    29,975.72x = 400,880,398.65
  5. Step 5: Solve for x
    x = 400,880,398.65/29,975.72
  6. Step 6: Final answer
    x = 13,373.50

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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.