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Finding the Fourth Proportional to 4,937.72, 7,357.04 and 4,805.48

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Solution

The fourth proportional to 4,937.72, 7,357.04 and 4,805.48 is: 7,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.72 : 7,357.04 = 4,805.48 : x
  2. Step 2: Convert to fraction form
    4,937.72/7,357.04 = 4,805.48/x
  3. Step 3: Cross multiply
    4,937.72x = 7,357.04 × 4,805.48
  4. Step 4: Simplify right side
    4,937.72x = 35,354,108.58
  5. Step 5: Solve for x
    x = 35,354,108.58/4,937.72
  6. Step 6: Final answer
    x = 7,160.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.