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Finding the Fourth Proportional to 32,827.88, 45,300.84 and 19,399.76

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Solution

The fourth proportional to 32,827.88, 45,300.84 and 19,399.76 is: 26,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,827.88 : 45,300.84 = 19,399.76 : x
  2. Step 2: Convert to fraction form
    32,827.88/45,300.84 = 19,399.76/x
  3. Step 3: Cross multiply
    32,827.88x = 45,300.84 × 19,399.76
  4. Step 4: Simplify right side
    32,827.88x = 878,825,423.80
  5. Step 5: Solve for x
    x = 878,825,423.80/32,827.88
  6. Step 6: Final answer
    x = 26,770.70

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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.