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Finding the Fourth Proportional to 32,995.50, 45,533.80 and 18,091.50

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Solution

The fourth proportional to 32,995.50, 45,533.80 and 18,091.50 is: 24,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,995.50 : 45,533.80 = 18,091.50 : x
  2. Step 2: Convert to fraction form
    32,995.50/45,533.80 = 18,091.50/x
  3. Step 3: Cross multiply
    32,995.50x = 45,533.80 × 18,091.50
  4. Step 4: Simplify right side
    32,995.50x = 823,774,742.70
  5. Step 5: Solve for x
    x = 823,774,742.70/32,995.50
  6. Step 6: Final answer
    x = 24,966.28

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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.