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Finding the Fourth Proportional to 58,443.52, 87,443.28 and 35,562.40

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Solution

The fourth proportional to 58,443.52, 87,443.28 and 35,562.40 is: 53,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,443.52 : 87,443.28 = 35,562.40 : x
  2. Step 2: Convert to fraction form
    58,443.52/87,443.28 = 35,562.40/x
  3. Step 3: Cross multiply
    58,443.52x = 87,443.28 × 35,562.40
  4. Step 4: Simplify right side
    58,443.52x = 3,109,692,900.67
  5. Step 5: Solve for x
    x = 3,109,692,900.67/58,443.52
  6. Step 6: Final answer
    x = 53,208.51

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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.