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Finding the Fourth Proportional to 8,573.84, 11,837.01 and 5,389.83

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Solution

The fourth proportional to 8,573.84, 11,837.01 and 5,389.83 is: 7,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.84 : 11,837.01 = 5,389.83 : x
  2. Step 2: Convert to fraction form
    8,573.84/11,837.01 = 5,389.83/x
  3. Step 3: Cross multiply
    8,573.84x = 11,837.01 × 5,389.83
  4. Step 4: Simplify right side
    8,573.84x = 63,799,471.61
  5. Step 5: Solve for x
    x = 63,799,471.61/8,573.84
  6. Step 6: Final answer
    x = 7,441.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.