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Finding the Fourth Proportional to 6,089.78, 8,407.78 and 4,973.39

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Solution

The fourth proportional to 6,089.78, 8,407.78 and 4,973.39 is: 6,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.78 : 8,407.78 = 4,973.39 : x
  2. Step 2: Convert to fraction form
    6,089.78/8,407.78 = 4,973.39/x
  3. Step 3: Cross multiply
    6,089.78x = 8,407.78 × 4,973.39
  4. Step 4: Simplify right side
    6,089.78x = 41,815,168.97
  5. Step 5: Solve for x
    x = 41,815,168.97/6,089.78
  6. Step 6: Final answer
    x = 6,866.45

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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.