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Finding the Fourth Proportional to 3,656.10, 5,484.10 and 882.75

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Solution

The fourth proportional to 3,656.10, 5,484.10 and 882.75 is: 1,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.10 : 5,484.10 = 882.75 : x
  2. Step 2: Convert to fraction form
    3,656.10/5,484.10 = 882.75/x
  3. Step 3: Cross multiply
    3,656.10x = 5,484.10 × 882.75
  4. Step 4: Simplify right side
    3,656.10x = 4,841,089.28
  5. Step 5: Solve for x
    x = 4,841,089.28/3,656.10
  6. Step 6: Final answer
    x = 1,324.11

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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.