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Finding the Fourth Proportional to 76,598.57, 105,677.03 and 47,513.48

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Solution

The fourth proportional to 76,598.57, 105,677.03 and 47,513.48 is: 65,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,598.57 : 105,677.03 = 47,513.48 : x
  2. Step 2: Convert to fraction form
    76,598.57/105,677.03 = 47,513.48/x
  3. Step 3: Cross multiply
    76,598.57x = 105,677.03 × 47,513.48
  4. Step 4: Simplify right side
    76,598.57x = 5,021,082,685.41
  5. Step 5: Solve for x
    x = 5,021,082,685.41/76,598.57
  6. Step 6: Final answer
    x = 65,550.61

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1.5x scale

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.