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Finding the Fourth Proportional to 14,891.40, 22,306.05 and 7,000.65

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Solution

The fourth proportional to 14,891.40, 22,306.05 and 7,000.65 is: 10,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.40 : 22,306.05 = 7,000.65 : x
  2. Step 2: Convert to fraction form
    14,891.40/22,306.05 = 7,000.65/x
  3. Step 3: Cross multiply
    14,891.40x = 22,306.05 × 7,000.65
  4. Step 4: Simplify right side
    14,891.40x = 156,156,848.93
  5. Step 5: Solve for x
    x = 156,156,848.93/14,891.40
  6. Step 6: Final answer
    x = 10,486.38

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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.