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Finding the Fourth Proportional to 53,290.92, 73,543.32 and 29,418.48

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Solution

The fourth proportional to 53,290.92, 73,543.32 and 29,418.48 is: 40,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.92 : 73,543.32 = 29,418.48 : x
  2. Step 2: Convert to fraction form
    53,290.92/73,543.32 = 29,418.48/x
  3. Step 3: Cross multiply
    53,290.92x = 73,543.32 × 29,418.48
  4. Step 4: Simplify right side
    53,290.92x = 2,163,532,688.55
  5. Step 5: Solve for x
    x = 2,163,532,688.55/53,290.92
  6. Step 6: Final answer
    x = 40,598.52

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