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Finding the Fourth Proportional to 6,374.51, 8,796.54 and 3,542.09

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Solution

The fourth proportional to 6,374.51, 8,796.54 and 3,542.09 is: 4,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.51 : 8,796.54 = 3,542.09 : x
  2. Step 2: Convert to fraction form
    6,374.51/8,796.54 = 3,542.09/x
  3. Step 3: Cross multiply
    6,374.51x = 8,796.54 × 3,542.09
  4. Step 4: Simplify right side
    6,374.51x = 31,158,085.74
  5. Step 5: Solve for x
    x = 31,158,085.74/6,374.51
  6. Step 6: Final answer
    x = 4,887.92

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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.