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Finding the Fourth Proportional to 58,658.77, 88,000.96 and 21,214.93

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Solution

The fourth proportional to 58,658.77, 88,000.96 and 21,214.93 is: 31,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,658.77 : 88,000.96 = 21,214.93 : x
  2. Step 2: Convert to fraction form
    58,658.77/88,000.96 = 21,214.93/x
  3. Step 3: Cross multiply
    58,658.77x = 88,000.96 × 21,214.93
  4. Step 4: Simplify right side
    58,658.77x = 1,866,934,206.33
  5. Step 5: Solve for x
    x = 1,866,934,206.33/58,658.77
  6. Step 6: Final answer
    x = 31,827.03

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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.