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Finding the Fourth Proportional to 7,266.60, 10,028.10 and 4,123.02

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Solution

The fourth proportional to 7,266.60, 10,028.10 and 4,123.02 is: 5,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.60 : 10,028.10 = 4,123.02 : x
  2. Step 2: Convert to fraction form
    7,266.60/10,028.10 = 4,123.02/x
  3. Step 3: Cross multiply
    7,266.60x = 10,028.10 × 4,123.02
  4. Step 4: Simplify right side
    7,266.60x = 41,346,056.86
  5. Step 5: Solve for x
    x = 41,346,056.86/7,266.60
  6. Step 6: Final answer
    x = 5,689.88

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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.