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Finding the Fourth Proportional to 8,030.88, 11,080.08 and 5,548.32

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Solution

The fourth proportional to 8,030.88, 11,080.08 and 5,548.32 is: 7,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.88 : 11,080.08 = 5,548.32 : x
  2. Step 2: Convert to fraction form
    8,030.88/11,080.08 = 5,548.32/x
  3. Step 3: Cross multiply
    8,030.88x = 11,080.08 × 5,548.32
  4. Step 4: Simplify right side
    8,030.88x = 61,475,829.47
  5. Step 5: Solve for x
    x = 61,475,829.47/8,030.88
  6. Step 6: Final answer
    x = 7,654.93

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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.