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Finding the Fourth Proportional to 12,335.88, 18,506.25 and 3,570.87

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Solution

The fourth proportional to 12,335.88, 18,506.25 and 3,570.87 is: 5,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.88 : 18,506.25 = 3,570.87 : x
  2. Step 2: Convert to fraction form
    12,335.88/18,506.25 = 3,570.87/x
  3. Step 3: Cross multiply
    12,335.88x = 18,506.25 × 3,570.87
  4. Step 4: Simplify right side
    12,335.88x = 66,083,412.94
  5. Step 5: Solve for x
    x = 66,083,412.94/12,335.88
  6. Step 6: Final answer
    x = 5,357.01

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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.