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Finding the Fourth Proportional to 32,969.52, 45,489.87 and 19,543.95

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Solution

The fourth proportional to 32,969.52, 45,489.87 and 19,543.95 is: 26,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,969.52 : 45,489.87 = 19,543.95 : x
  2. Step 2: Convert to fraction form
    32,969.52/45,489.87 = 19,543.95/x
  3. Step 3: Cross multiply
    32,969.52x = 45,489.87 × 19,543.95
  4. Step 4: Simplify right side
    32,969.52x = 889,051,744.79
  5. Step 5: Solve for x
    x = 889,051,744.79/32,969.52
  6. Step 6: Final answer
    x = 26,965.87

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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.