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Finding the Fourth Proportional to 39,992.48, 60,001.02 and 28,903.02

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Solution

The fourth proportional to 39,992.48, 60,001.02 and 28,903.02 is: 43,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.48 : 60,001.02 = 28,903.02 : x
  2. Step 2: Convert to fraction form
    39,992.48/60,001.02 = 28,903.02/x
  3. Step 3: Cross multiply
    39,992.48x = 60,001.02 × 28,903.02
  4. Step 4: Simplify right side
    39,992.48x = 1,734,210,681.08
  5. Step 5: Solve for x
    x = 1,734,210,681.08/39,992.48
  6. Step 6: Final answer
    x = 43,363.42

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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.