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Finding the Fourth Proportional to 6,765.36, 9,327.24 and 4,875.36

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Solution

The fourth proportional to 6,765.36, 9,327.24 and 4,875.36 is: 6,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.36 : 9,327.24 = 4,875.36 : x
  2. Step 2: Convert to fraction form
    6,765.36/9,327.24 = 4,875.36/x
  3. Step 3: Cross multiply
    6,765.36x = 9,327.24 × 4,875.36
  4. Step 4: Simplify right side
    6,765.36x = 45,473,652.81
  5. Step 5: Solve for x
    x = 45,473,652.81/6,765.36
  6. Step 6: Final answer
    x = 6,721.54

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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.