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Finding the Fourth Proportional to 6,602.76, 9,106.56 and 5,611.32

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Solution

The fourth proportional to 6,602.76, 9,106.56 and 5,611.32 is: 7,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.76 : 9,106.56 = 5,611.32 : x
  2. Step 2: Convert to fraction form
    6,602.76/9,106.56 = 5,611.32/x
  3. Step 3: Cross multiply
    6,602.76x = 9,106.56 × 5,611.32
  4. Step 4: Simplify right side
    6,602.76x = 51,099,822.26
  5. Step 5: Solve for x
    x = 51,099,822.26/6,602.76
  6. Step 6: Final answer
    x = 7,739.16

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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.