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Finding the Fourth Proportional to 58,656.58, 87,978.75 and 16,535.59

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Solution

The fourth proportional to 58,656.58, 87,978.75 and 16,535.59 is: 24,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,656.58 : 87,978.75 = 16,535.59 : x
  2. Step 2: Convert to fraction form
    58,656.58/87,978.75 = 16,535.59/x
  3. Step 3: Cross multiply
    58,656.58x = 87,978.75 × 16,535.59
  4. Step 4: Simplify right side
    58,656.58x = 1,454,780,538.71
  5. Step 5: Solve for x
    x = 1,454,780,538.71/58,656.58
  6. Step 6: Final answer
    x = 24,801.66

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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.