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Finding the Fourth Proportional to 8,953.31, 13,444.21 and 7,389.88

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Solution

The fourth proportional to 8,953.31, 13,444.21 and 7,389.88 is: 11,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.31 : 13,444.21 = 7,389.88 : x
  2. Step 2: Convert to fraction form
    8,953.31/13,444.21 = 7,389.88/x
  3. Step 3: Cross multiply
    8,953.31x = 13,444.21 × 7,389.88
  4. Step 4: Simplify right side
    8,953.31x = 99,351,098.59
  5. Step 5: Solve for x
    x = 99,351,098.59/8,953.31
  6. Step 6: Final answer
    x = 11,096.58

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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.