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Finding the Fourth Proportional to 33,088, 45,664.36 and 18,186.88

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Solution

The fourth proportional to 33,088, 45,664.36 and 18,186.88 is: 25,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088 : 45,664.36 = 18,186.88 : x
  2. Step 2: Convert to fraction form
    33,088/45,664.36 = 18,186.88/x
  3. Step 3: Cross multiply
    33,088x = 45,664.36 × 18,186.88
  4. Step 4: Simplify right side
    33,088x = 830,492,235.60
  5. Step 5: Solve for x
    x = 830,492,235.60/33,088
  6. Step 6: Final answer
    x = 25,099.50

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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.