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Finding the Fourth Proportional to 8,602.23, 11,866.04 and 5,410.49

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Solution

The fourth proportional to 8,602.23, 11,866.04 and 5,410.49 is: 7,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.23 : 11,866.04 = 5,410.49 : x
  2. Step 2: Convert to fraction form
    8,602.23/11,866.04 = 5,410.49/x
  3. Step 3: Cross multiply
    8,602.23x = 11,866.04 × 5,410.49
  4. Step 4: Simplify right side
    8,602.23x = 64,201,090.76
  5. Step 5: Solve for x
    x = 64,201,090.76/8,602.23
  6. Step 6: Final answer
    x = 7,463.31

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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.