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Finding the Fourth Proportional to 58,464.40, 87,696.60 and 36,302.80

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Solution

The fourth proportional to 58,464.40, 87,696.60 and 36,302.80 is: 54,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,464.40 : 87,696.60 = 36,302.80 : x
  2. Step 2: Convert to fraction form
    58,464.40/87,696.60 = 36,302.80/x
  3. Step 3: Cross multiply
    58,464.40x = 87,696.60 × 36,302.80
  4. Step 4: Simplify right side
    58,464.40x = 3,183,632,130.48
  5. Step 5: Solve for x
    x = 3,183,632,130.48/58,464.40
  6. Step 6: Final answer
    x = 54,454.20

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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.