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Finding the Fourth Proportional to 50,762.30, 70,059.15 and 29,548.40

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Solution

The fourth proportional to 50,762.30, 70,059.15 and 29,548.40 is: 40,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.30 : 70,059.15 = 29,548.40 : x
  2. Step 2: Convert to fraction form
    50,762.30/70,059.15 = 29,548.40/x
  3. Step 3: Cross multiply
    50,762.30x = 70,059.15 × 29,548.40
  4. Step 4: Simplify right side
    50,762.30x = 2,070,135,437.56
  5. Step 5: Solve for x
    x = 2,070,135,437.56/50,762.30
  6. Step 6: Final answer
    x = 40,780.97

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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.