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Finding the Fourth Proportional to 32,999.70, 45,539.74 and 17,892.31

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Solution

The fourth proportional to 32,999.70, 45,539.74 and 17,892.31 is: 24,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,999.70 : 45,539.74 = 17,892.31 : x
  2. Step 2: Convert to fraction form
    32,999.70/45,539.74 = 17,892.31/x
  3. Step 3: Cross multiply
    32,999.70x = 45,539.74 × 17,892.31
  4. Step 4: Simplify right side
    32,999.70x = 814,811,038.66
  5. Step 5: Solve for x
    x = 814,811,038.66/32,999.70
  6. Step 6: Final answer
    x = 24,691.47

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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.