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Finding the Fourth Proportional to 29,491.98, 40,700.64 and 22,211.04

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Solution

The fourth proportional to 29,491.98, 40,700.64 and 22,211.04 is: 30,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.98 : 40,700.64 = 22,211.04 : x
  2. Step 2: Convert to fraction form
    29,491.98/40,700.64 = 22,211.04/x
  3. Step 3: Cross multiply
    29,491.98x = 40,700.64 × 22,211.04
  4. Step 4: Simplify right side
    29,491.98x = 904,003,543.07
  5. Step 5: Solve for x
    x = 904,003,543.07/29,491.98
  6. Step 6: Final answer
    x = 30,652.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.