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Finding the Fourth Proportional to 10,745.10, 14,828 and 5,964.76

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Solution

The fourth proportional to 10,745.10, 14,828 and 5,964.76 is: 8,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.10 : 14,828 = 5,964.76 : x
  2. Step 2: Convert to fraction form
    10,745.10/14,828 = 5,964.76/x
  3. Step 3: Cross multiply
    10,745.10x = 14,828 × 5,964.76
  4. Step 4: Simplify right side
    10,745.10x = 88,445,461.28
  5. Step 5: Solve for x
    x = 88,445,461.28/10,745.10
  6. Step 6: Final answer
    x = 8,231.24

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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.