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Finding the Fourth Proportional to 21,770.48, 32,655.03 and 6,188.09

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Solution

The fourth proportional to 21,770.48, 32,655.03 and 6,188.09 is: 9,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.48 : 32,655.03 = 6,188.09 : x
  2. Step 2: Convert to fraction form
    21,770.48/32,655.03 = 6,188.09/x
  3. Step 3: Cross multiply
    21,770.48x = 32,655.03 × 6,188.09
  4. Step 4: Simplify right side
    21,770.48x = 202,072,264.59
  5. Step 5: Solve for x
    x = 202,072,264.59/21,770.48
  6. Step 6: Final answer
    x = 9,281.94

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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.