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Finding the Fourth Proportional to 6,411.80, 8,848.32 and 4,058.12

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Solution

The fourth proportional to 6,411.80, 8,848.32 and 4,058.12 is: 5,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.80 : 8,848.32 = 4,058.12 : x
  2. Step 2: Convert to fraction form
    6,411.80/8,848.32 = 4,058.12/x
  3. Step 3: Cross multiply
    6,411.80x = 8,848.32 × 4,058.12
  4. Step 4: Simplify right side
    6,411.80x = 35,907,544.36
  5. Step 5: Solve for x
    x = 35,907,544.36/6,411.80
  6. Step 6: Final answer
    x = 5,600.23

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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.