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Finding the Fourth Proportional to 58,752.60, 87,999.30 and 35,338.20

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Solution

The fourth proportional to 58,752.60, 87,999.30 and 35,338.20 is: 52,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752.60 : 87,999.30 = 35,338.20 : x
  2. Step 2: Convert to fraction form
    58,752.60/87,999.30 = 35,338.20/x
  3. Step 3: Cross multiply
    58,752.60x = 87,999.30 × 35,338.20
  4. Step 4: Simplify right side
    58,752.60x = 3,109,736,863.26
  5. Step 5: Solve for x
    x = 3,109,736,863.26/58,752.60
  6. Step 6: Final answer
    x = 52,929.35

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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.