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Finding the Fourth Proportional to 32,762.46, 45,212.25 and 18,618.03

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Solution

The fourth proportional to 32,762.46, 45,212.25 and 18,618.03 is: 25,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,762.46 : 45,212.25 = 18,618.03 : x
  2. Step 2: Convert to fraction form
    32,762.46/45,212.25 = 18,618.03/x
  3. Step 3: Cross multiply
    32,762.46x = 45,212.25 × 18,618.03
  4. Step 4: Simplify right side
    32,762.46x = 841,763,026.87
  5. Step 5: Solve for x
    x = 841,763,026.87/32,762.46
  6. Step 6: Final answer
    x = 25,692.91

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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.