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Finding the Fourth Proportional to 6,871.75, 9,483.24 and 4,039.08

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Solution

The fourth proportional to 6,871.75, 9,483.24 and 4,039.08 is: 5,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.75 : 9,483.24 = 4,039.08 : x
  2. Step 2: Convert to fraction form
    6,871.75/9,483.24 = 4,039.08/x
  3. Step 3: Cross multiply
    6,871.75x = 9,483.24 × 4,039.08
  4. Step 4: Simplify right side
    6,871.75x = 38,303,541.31
  5. Step 5: Solve for x
    x = 38,303,541.31/6,871.75
  6. Step 6: Final answer
    x = 5,574.06

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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.