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Finding the Fourth Proportional to 40,357.98, 60,537.02 and 19,293.07

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Solution

The fourth proportional to 40,357.98, 60,537.02 and 19,293.07 is: 28,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.98 : 60,537.02 = 19,293.07 : x
  2. Step 2: Convert to fraction form
    40,357.98/60,537.02 = 19,293.07/x
  3. Step 3: Cross multiply
    40,357.98x = 60,537.02 × 19,293.07
  4. Step 4: Simplify right side
    40,357.98x = 1,167,944,964.45
  5. Step 5: Solve for x
    x = 1,167,944,964.45/40,357.98
  6. Step 6: Final answer
    x = 28,939.63

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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.