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Finding the Fourth Proportional to 6,237.64, 8,607.78 and 3,443.08

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Solution

The fourth proportional to 6,237.64, 8,607.78 and 3,443.08 is: 4,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.64 : 8,607.78 = 3,443.08 : x
  2. Step 2: Convert to fraction form
    6,237.64/8,607.78 = 3,443.08/x
  3. Step 3: Cross multiply
    6,237.64x = 8,607.78 × 3,443.08
  4. Step 4: Simplify right side
    6,237.64x = 29,637,275.16
  5. Step 5: Solve for x
    x = 29,637,275.16/6,237.64
  6. Step 6: Final answer
    x = 4,751.36

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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.