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Finding the Fourth Proportional to 22,692.30, 34,038.45 and 21,671.70

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Solution

The fourth proportional to 22,692.30, 34,038.45 and 21,671.70 is: 32,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.30 : 34,038.45 = 21,671.70 : x
  2. Step 2: Convert to fraction form
    22,692.30/34,038.45 = 21,671.70/x
  3. Step 3: Cross multiply
    22,692.30x = 34,038.45 × 21,671.70
  4. Step 4: Simplify right side
    22,692.30x = 737,671,076.87
  5. Step 5: Solve for x
    x = 737,671,076.87/22,692.30
  6. Step 6: Final answer
    x = 32,507.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.