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Finding the Fourth Proportional to 71,587.65, 98,801.73 and 51,510.99

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Solution

The fourth proportional to 71,587.65, 98,801.73 and 51,510.99 is: 71,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,587.65 : 98,801.73 = 51,510.99 : x
  2. Step 2: Convert to fraction form
    71,587.65/98,801.73 = 51,510.99/x
  3. Step 3: Cross multiply
    71,587.65x = 98,801.73 × 51,510.99
  4. Step 4: Simplify right side
    71,587.65x = 5,089,374,926.01
  5. Step 5: Solve for x
    x = 5,089,374,926.01/71,587.65
  6. Step 6: Final answer
    x = 71,092.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.