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Finding the Fourth Proportional to 58,677.75, 80,969.34 and 36,017.69

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Solution

The fourth proportional to 58,677.75, 80,969.34 and 36,017.69 is: 49,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,677.75 : 80,969.34 = 36,017.69 : x
  2. Step 2: Convert to fraction form
    58,677.75/80,969.34 = 36,017.69/x
  3. Step 3: Cross multiply
    58,677.75x = 80,969.34 × 36,017.69
  4. Step 4: Simplify right side
    58,677.75x = 2,916,328,700.00
  5. Step 5: Solve for x
    x = 2,916,328,700.00/58,677.75
  6. Step 6: Final answer
    x = 49,700.76

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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.