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Finding the Fourth Proportional to 8,363.56, 11,549.53 and 5,384.58

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Solution

The fourth proportional to 8,363.56, 11,549.53 and 5,384.58 is: 7,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.56 : 11,549.53 = 5,384.58 : x
  2. Step 2: Convert to fraction form
    8,363.56/11,549.53 = 5,384.58/x
  3. Step 3: Cross multiply
    8,363.56x = 11,549.53 × 5,384.58
  4. Step 4: Simplify right side
    8,363.56x = 62,189,368.25
  5. Step 5: Solve for x
    x = 62,189,368.25/8,363.56
  6. Step 6: Final answer
    x = 7,435.75

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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.