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Finding the Fourth Proportional to 6,261, 8,637.72 and 4,022.52

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Solution

The fourth proportional to 6,261, 8,637.72 and 4,022.52 is: 5,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261 : 8,637.72 = 4,022.52 : x
  2. Step 2: Convert to fraction form
    6,261/8,637.72 = 4,022.52/x
  3. Step 3: Cross multiply
    6,261x = 8,637.72 × 4,022.52
  4. Step 4: Simplify right side
    6,261x = 34,745,401.45
  5. Step 5: Solve for x
    x = 34,745,401.45/6,261
  6. Step 6: Final answer
    x = 5,549.50

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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.