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Finding the Fourth Proportional to 10,065.92, 15,098.90 and 2,670.98

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Solution

The fourth proportional to 10,065.92, 15,098.90 and 2,670.98 is: 4,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.92 : 15,098.90 = 2,670.98 : x
  2. Step 2: Convert to fraction form
    10,065.92/15,098.90 = 2,670.98/x
  3. Step 3: Cross multiply
    10,065.92x = 15,098.90 × 2,670.98
  4. Step 4: Simplify right side
    10,065.92x = 40,328,771.07
  5. Step 5: Solve for x
    x = 40,328,771.07/10,065.92
  6. Step 6: Final answer
    x = 4,006.47

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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.