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Finding the Fourth Proportional to 50,575.96, 69,827.70 and 45,261.64

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Solution

The fourth proportional to 50,575.96, 69,827.70 and 45,261.64 is: 62,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,575.96 : 69,827.70 = 45,261.64 : x
  2. Step 2: Convert to fraction form
    50,575.96/69,827.70 = 45,261.64/x
  3. Step 3: Cross multiply
    50,575.96x = 69,827.70 × 45,261.64
  4. Step 4: Simplify right side
    50,575.96x = 3,160,516,219.43
  5. Step 5: Solve for x
    x = 3,160,516,219.43/50,575.96
  6. Step 6: Final answer
    x = 62,490.48

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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.