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Finding the Fourth Proportional to 50,573.97, 75,870.72 and 19,406.79

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Solution

The fourth proportional to 50,573.97, 75,870.72 and 19,406.79 is: 29,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,573.97 : 75,870.72 = 19,406.79 : x
  2. Step 2: Convert to fraction form
    50,573.97/75,870.72 = 19,406.79/x
  3. Step 3: Cross multiply
    50,573.97x = 75,870.72 × 19,406.79
  4. Step 4: Simplify right side
    50,573.97x = 1,472,407,130.19
  5. Step 5: Solve for x
    x = 1,472,407,130.19/50,573.97
  6. Step 6: Final answer
    x = 29,113.93

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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.