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Finding the Fourth Proportional to 57,762.30, 79,718.88 and 35,104.98

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Solution

The fourth proportional to 57,762.30, 79,718.88 and 35,104.98 is: 48,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762.30 : 79,718.88 = 35,104.98 : x
  2. Step 2: Convert to fraction form
    57,762.30/79,718.88 = 35,104.98/x
  3. Step 3: Cross multiply
    57,762.30x = 79,718.88 × 35,104.98
  4. Step 4: Simplify right side
    57,762.30x = 2,798,529,688.02
  5. Step 5: Solve for x
    x = 2,798,529,688.02/57,762.30
  6. Step 6: Final answer
    x = 48,449.07

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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.