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Finding the Fourth Proportional to 49,543.93, 74,352.75 and 19,962.01

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Solution

The fourth proportional to 49,543.93, 74,352.75 and 19,962.01 is: 29,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.93 : 74,352.75 = 19,962.01 : x
  2. Step 2: Convert to fraction form
    49,543.93/74,352.75 = 19,962.01/x
  3. Step 3: Cross multiply
    49,543.93x = 74,352.75 × 19,962.01
  4. Step 4: Simplify right side
    49,543.93x = 1,484,230,339.03
  5. Step 5: Solve for x
    x = 1,484,230,339.03/49,543.93
  6. Step 6: Final answer
    x = 29,957.86

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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.