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Finding the Fourth Proportional to 32,805.76, 45,275.58 and 18,466.03

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Solution

The fourth proportional to 32,805.76, 45,275.58 and 18,466.03 is: 25,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.76 : 45,275.58 = 18,466.03 : x
  2. Step 2: Convert to fraction form
    32,805.76/45,275.58 = 18,466.03/x
  3. Step 3: Cross multiply
    32,805.76x = 45,275.58 × 18,466.03
  4. Step 4: Simplify right side
    32,805.76x = 836,060,105.36
  5. Step 5: Solve for x
    x = 836,060,105.36/32,805.76
  6. Step 6: Final answer
    x = 25,485.16

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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.