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Finding the Fourth Proportional to 2,973.67, 4,483.32 and 2,772.91

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Solution

The fourth proportional to 2,973.67, 4,483.32 and 2,772.91 is: 4,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.67 : 4,483.32 = 2,772.91 : x
  2. Step 2: Convert to fraction form
    2,973.67/4,483.32 = 2,772.91/x
  3. Step 3: Cross multiply
    2,973.67x = 4,483.32 × 2,772.91
  4. Step 4: Simplify right side
    2,973.67x = 12,431,838.07
  5. Step 5: Solve for x
    x = 12,431,838.07/2,973.67
  6. Step 6: Final answer
    x = 4,180.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.