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Finding the Fourth Proportional to 7,365.70, 10,164.10 and 4,676.72

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Solution

The fourth proportional to 7,365.70, 10,164.10 and 4,676.72 is: 6,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.70 : 10,164.10 = 4,676.72 : x
  2. Step 2: Convert to fraction form
    7,365.70/10,164.10 = 4,676.72/x
  3. Step 3: Cross multiply
    7,365.70x = 10,164.10 × 4,676.72
  4. Step 4: Simplify right side
    7,365.70x = 47,534,649.75
  5. Step 5: Solve for x
    x = 47,534,649.75/7,365.70
  6. Step 6: Final answer
    x = 6,453.51

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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.