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Finding the Fourth Proportional to 32,615.54, 45,008.18 and 18,468.41

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Solution

The fourth proportional to 32,615.54, 45,008.18 and 18,468.41 is: 25,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.54 : 45,008.18 = 18,468.41 : x
  2. Step 2: Convert to fraction form
    32,615.54/45,008.18 = 18,468.41/x
  3. Step 3: Cross multiply
    32,615.54x = 45,008.18 × 18,468.41
  4. Step 4: Simplify right side
    32,615.54x = 831,229,541.77
  5. Step 5: Solve for x
    x = 831,229,541.77/32,615.54
  6. Step 6: Final answer
    x = 25,485.69

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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.