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Finding the Fourth Proportional to 37,692.68, 56,809.95 and 32,490.47

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Solution

The fourth proportional to 37,692.68, 56,809.95 and 32,490.47 is: 48,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,692.68 : 56,809.95 = 32,490.47 : x
  2. Step 2: Convert to fraction form
    37,692.68/56,809.95 = 32,490.47/x
  3. Step 3: Cross multiply
    37,692.68x = 56,809.95 × 32,490.47
  4. Step 4: Simplify right side
    37,692.68x = 1,845,781,996.36
  5. Step 5: Solve for x
    x = 1,845,781,996.36/37,692.68
  6. Step 6: Final answer
    x = 48,969.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.