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Finding the Fourth Proportional to 50,988.98, 76,494.27 and 15,931.28

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Solution

The fourth proportional to 50,988.98, 76,494.27 and 15,931.28 is: 23,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,988.98 : 76,494.27 = 15,931.28 : x
  2. Step 2: Convert to fraction form
    50,988.98/76,494.27 = 15,931.28/x
  3. Step 3: Cross multiply
    50,988.98x = 76,494.27 × 15,931.28
  4. Step 4: Simplify right side
    50,988.98x = 1,218,651,633.77
  5. Step 5: Solve for x
    x = 1,218,651,633.77/50,988.98
  6. Step 6: Final answer
    x = 23,900.29

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1.5x scale

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.