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Finding the Fourth Proportional to 4,641.70, 6,963 and 1,354.72

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Solution

The fourth proportional to 4,641.70, 6,963 and 1,354.72 is: 2,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.70 : 6,963 = 1,354.72 : x
  2. Step 2: Convert to fraction form
    4,641.70/6,963 = 1,354.72/x
  3. Step 3: Cross multiply
    4,641.70x = 6,963 × 1,354.72
  4. Step 4: Simplify right side
    4,641.70x = 9,432,915.36
  5. Step 5: Solve for x
    x = 9,432,915.36/4,641.70
  6. Step 6: Final answer
    x = 2,032.21

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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.