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Finding the Fourth Proportional to 17,957.46, 26,934.06 and 4,810.89

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Solution

The fourth proportional to 17,957.46, 26,934.06 and 4,810.89 is: 7,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.46 : 26,934.06 = 4,810.89 : x
  2. Step 2: Convert to fraction form
    17,957.46/26,934.06 = 4,810.89/x
  3. Step 3: Cross multiply
    17,957.46x = 26,934.06 × 4,810.89
  4. Step 4: Simplify right side
    17,957.46x = 129,576,799.91
  5. Step 5: Solve for x
    x = 129,576,799.91/17,957.46
  6. Step 6: Final answer
    x = 7,215.76

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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.