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Finding the Fourth Proportional to 21,670.59, 32,507.10 and 6,087

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Solution

The fourth proportional to 21,670.59, 32,507.10 and 6,087 is: 9,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.59 : 32,507.10 = 6,087 : x
  2. Step 2: Convert to fraction form
    21,670.59/32,507.10 = 6,087/x
  3. Step 3: Cross multiply
    21,670.59x = 32,507.10 × 6,087
  4. Step 4: Simplify right side
    21,670.59x = 197,870,717.70
  5. Step 5: Solve for x
    x = 197,870,717.70/21,670.59
  6. Step 6: Final answer
    x = 9,130.84

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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.