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Finding the Fourth Proportional to 36,387.60, 54,583.92 and 14,193.60

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Solution

The fourth proportional to 36,387.60, 54,583.92 and 14,193.60 is: 21,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.60 : 54,583.92 = 14,193.60 : x
  2. Step 2: Convert to fraction form
    36,387.60/54,583.92 = 14,193.60/x
  3. Step 3: Cross multiply
    36,387.60x = 54,583.92 × 14,193.60
  4. Step 4: Simplify right side
    36,387.60x = 774,742,326.91
  5. Step 5: Solve for x
    x = 774,742,326.91/36,387.60
  6. Step 6: Final answer
    x = 21,291.38

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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.