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Finding the Fourth Proportional to 30,799.59, 42,503.43 and 16,652.44

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Solution

The fourth proportional to 30,799.59, 42,503.43 and 16,652.44 is: 22,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.59 : 42,503.43 = 16,652.44 : x
  2. Step 2: Convert to fraction form
    30,799.59/42,503.43 = 16,652.44/x
  3. Step 3: Cross multiply
    30,799.59x = 42,503.43 × 16,652.44
  4. Step 4: Simplify right side
    30,799.59x = 707,785,817.87
  5. Step 5: Solve for x
    x = 707,785,817.87/30,799.59
  6. Step 6: Final answer
    x = 22,980.36

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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.