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Finding the Fourth Proportional to 32,907.25, 45,412.01 and 18,003.25

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Solution

The fourth proportional to 32,907.25, 45,412.01 and 18,003.25 is: 24,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.25 : 45,412.01 = 18,003.25 : x
  2. Step 2: Convert to fraction form
    32,907.25/45,412.01 = 18,003.25/x
  3. Step 3: Cross multiply
    32,907.25x = 45,412.01 × 18,003.25
  4. Step 4: Simplify right side
    32,907.25x = 817,563,769.03
  5. Step 5: Solve for x
    x = 817,563,769.03/32,907.25
  6. Step 6: Final answer
    x = 24,844.49

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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.