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Finding the Fourth Proportional to 50,900.80, 70,246.43 and 29,391.46

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Solution

The fourth proportional to 50,900.80, 70,246.43 and 29,391.46 is: 40,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.80 : 70,246.43 = 29,391.46 : x
  2. Step 2: Convert to fraction form
    50,900.80/70,246.43 = 29,391.46/x
  3. Step 3: Cross multiply
    50,900.80x = 70,246.43 × 29,391.46
  4. Step 4: Simplify right side
    50,900.80x = 2,064,644,848.53
  5. Step 5: Solve for x
    x = 2,064,644,848.53/50,900.80
  6. Step 6: Final answer
    x = 40,562.13

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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.