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Finding the Fourth Proportional to 17,973.95, 26,963.90 and 8,113.01

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Solution

The fourth proportional to 17,973.95, 26,963.90 and 8,113.01 is: 12,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,973.95 : 26,963.90 = 8,113.01 : x
  2. Step 2: Convert to fraction form
    17,973.95/26,963.90 = 8,113.01/x
  3. Step 3: Cross multiply
    17,973.95x = 26,963.90 × 8,113.01
  4. Step 4: Simplify right side
    17,973.95x = 218,758,349.77
  5. Step 5: Solve for x
    x = 218,758,349.77/17,973.95
  6. Step 6: Final answer
    x = 12,170.86

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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.