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Finding the Fourth Proportional to 9,033.60, 13,549.89 and 5,359.20

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Solution

The fourth proportional to 9,033.60, 13,549.89 and 5,359.20 is: 8,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,033.60 : 13,549.89 = 5,359.20 : x
  2. Step 2: Convert to fraction form
    9,033.60/13,549.89 = 5,359.20/x
  3. Step 3: Cross multiply
    9,033.60x = 13,549.89 × 5,359.20
  4. Step 4: Simplify right side
    9,033.60x = 72,616,570.49
  5. Step 5: Solve for x
    x = 72,616,570.49/9,033.60
  6. Step 6: Final answer
    x = 8,038.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.