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Finding the Fourth Proportional to 15,000.40, 22,482.60 and 6,230.80

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Solution

The fourth proportional to 15,000.40, 22,482.60 and 6,230.80 is: 9,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.40 : 22,482.60 = 6,230.80 : x
  2. Step 2: Convert to fraction form
    15,000.40/22,482.60 = 6,230.80/x
  3. Step 3: Cross multiply
    15,000.40x = 22,482.60 × 6,230.80
  4. Step 4: Simplify right side
    15,000.40x = 140,084,584.08
  5. Step 5: Solve for x
    x = 140,084,584.08/15,000.40
  6. Step 6: Final answer
    x = 9,338.72

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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.