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Finding the Fourth Proportional to 60,486.48, 90,731.34 and 23,041.80

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Solution

The fourth proportional to 60,486.48, 90,731.34 and 23,041.80 is: 34,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.48 : 90,731.34 = 23,041.80 : x
  2. Step 2: Convert to fraction form
    60,486.48/90,731.34 = 23,041.80/x
  3. Step 3: Cross multiply
    60,486.48x = 90,731.34 × 23,041.80
  4. Step 4: Simplify right side
    60,486.48x = 2,090,613,390.01
  5. Step 5: Solve for x
    x = 2,090,613,390.01/60,486.48
  6. Step 6: Final answer
    x = 34,563.32

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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.