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Finding the Fourth Proportional to 32,762.44, 45,210.72 and 18,616.60

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Solution

The fourth proportional to 32,762.44, 45,210.72 and 18,616.60 is: 25,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,762.44 : 45,210.72 = 18,616.60 : x
  2. Step 2: Convert to fraction form
    32,762.44/45,210.72 = 18,616.60/x
  3. Step 3: Cross multiply
    32,762.44x = 45,210.72 × 18,616.60
  4. Step 4: Simplify right side
    32,762.44x = 841,669,889.95
  5. Step 5: Solve for x
    x = 841,669,889.95/32,762.44
  6. Step 6: Final answer
    x = 25,690.09

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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.