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Finding the Fourth Proportional to 4,957.97, 7,422.35 and 4,342.88

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Solution

The fourth proportional to 4,957.97, 7,422.35 and 4,342.88 is: 6,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.97 : 7,422.35 = 4,342.88 : x
  2. Step 2: Convert to fraction form
    4,957.97/7,422.35 = 4,342.88/x
  3. Step 3: Cross multiply
    4,957.97x = 7,422.35 × 4,342.88
  4. Step 4: Simplify right side
    4,957.97x = 32,234,360.66
  5. Step 5: Solve for x
    x = 32,234,360.66/4,957.97
  6. Step 6: Final answer
    x = 6,501.52

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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.