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Finding the Fourth Proportional to 22,482.30, 33,658.65 and 19,890.30

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Solution

The fourth proportional to 22,482.30, 33,658.65 and 19,890.30 is: 29,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.30 : 33,658.65 = 19,890.30 : x
  2. Step 2: Convert to fraction form
    22,482.30/33,658.65 = 19,890.30/x
  3. Step 3: Cross multiply
    22,482.30x = 33,658.65 × 19,890.30
  4. Step 4: Simplify right side
    22,482.30x = 669,480,646.10
  5. Step 5: Solve for x
    x = 669,480,646.10/22,482.30
  6. Step 6: Final answer
    x = 29,778.12

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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.