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Finding the Fourth Proportional to 58,286.64, 87,303.60 and 36,105.60

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Solution

The fourth proportional to 58,286.64, 87,303.60 and 36,105.60 is: 54,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286.64 : 87,303.60 = 36,105.60 : x
  2. Step 2: Convert to fraction form
    58,286.64/87,303.60 = 36,105.60/x
  3. Step 3: Cross multiply
    58,286.64x = 87,303.60 × 36,105.60
  4. Step 4: Simplify right side
    58,286.64x = 3,152,148,860.16
  5. Step 5: Solve for x
    x = 3,152,148,860.16/58,286.64
  6. Step 6: Final answer
    x = 54,080.13

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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.