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Finding the Fourth Proportional to 60,620.93, 83,627.91 and 47,099.65

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Solution

The fourth proportional to 60,620.93, 83,627.91 and 47,099.65 is: 64,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,620.93 : 83,627.91 = 47,099.65 : x
  2. Step 2: Convert to fraction form
    60,620.93/83,627.91 = 47,099.65/x
  3. Step 3: Cross multiply
    60,620.93x = 83,627.91 × 47,099.65
  4. Step 4: Simplify right side
    60,620.93x = 3,938,845,291.23
  5. Step 5: Solve for x
    x = 3,938,845,291.23/60,620.93
  6. Step 6: Final answer
    x = 64,975.01

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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.