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Finding the Fourth Proportional to 32,692.19, 45,120.39 and 19,948.16

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Solution

The fourth proportional to 32,692.19, 45,120.39 and 19,948.16 is: 27,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,692.19 : 45,120.39 = 19,948.16 : x
  2. Step 2: Convert to fraction form
    32,692.19/45,120.39 = 19,948.16/x
  3. Step 3: Cross multiply
    32,692.19x = 45,120.39 × 19,948.16
  4. Step 4: Simplify right side
    32,692.19x = 900,068,533.38
  5. Step 5: Solve for x
    x = 900,068,533.38/32,692.19
  6. Step 6: Final answer
    x = 27,531.61

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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.