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Finding the Fourth Proportional to 58,510.48, 87,771.90 and 19,070.68

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Solution

The fourth proportional to 58,510.48, 87,771.90 and 19,070.68 is: 28,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,510.48 : 87,771.90 = 19,070.68 : x
  2. Step 2: Convert to fraction form
    58,510.48/87,771.90 = 19,070.68/x
  3. Step 3: Cross multiply
    58,510.48x = 87,771.90 × 19,070.68
  4. Step 4: Simplify right side
    58,510.48x = 1,673,869,817.89
  5. Step 5: Solve for x
    x = 1,673,869,817.89/58,510.48
  6. Step 6: Final answer
    x = 28,608.03

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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.