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Finding the Fourth Proportional to 32,798.08, 45,276.40 and 20,230.08

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Solution

The fourth proportional to 32,798.08, 45,276.40 and 20,230.08 is: 27,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,798.08 : 45,276.40 = 20,230.08 : x
  2. Step 2: Convert to fraction form
    32,798.08/45,276.40 = 20,230.08/x
  3. Step 3: Cross multiply
    32,798.08x = 45,276.40 × 20,230.08
  4. Step 4: Simplify right side
    32,798.08x = 915,945,194.11
  5. Step 5: Solve for x
    x = 915,945,194.11/32,798.08
  6. Step 6: Final answer
    x = 27,926.79

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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.